Q: In this task, you are given a text of many news articles seperated by special token "|||||". Your task is to summarize them.
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 WASHINGTON — The introduction of sweeping immigration legislation on Tuesday is likely to ignite a months-long battle between those who want citizenship for the nation’s 11 million illegal immigrants and opponents who view such an approach as amnesty. 
  
  
  
  
  
  
  
  
  
 A bipartisan group of eight senators plans to unveil legislation, drafted largely in secret, that would provide a 13-year path to American citizenship for illegal immigrants who arrived in the country before Dec. 31, 2011, but would demand that tougher border controls be in place first. The legislation is certain to unleash a torrent of attacks from Republican opponents on the immigration overhaul, similar to the kind of criticism that killed an effort supported by President George W. Bush in 2007. 
  
 The group plans to file the legislation on Tuesday, but canceled its scheduled news conference because of the Boston Marathon bombing. 
  
 “We all met in the middle, knowing we would not please our entire constituencies, but the imperative of doing this is so important to the country that we had to get it done,” said Senator Charles E. Schumer, Democrat of New York, and a member of the bipartisan group. “Americans will be common-sense and fair to legal immigration and the 11 million who are here as long as they’re convinced there won’t be future waves of illegal immigration.” 
  
 The biggest test will come for those Republicans who support the bill and will have to convince their skeptical Senate colleagues, constituents and grass-roots conservative base — not to mention Republicans in the House — that the legislation is not a reward for people who broke the law by entering the country illegally. 
  
 The bill requires that illegal immigrants wait a minimum of 10 years until they apply for legal permanent residence and an additional three years until full naturalization. It also mandates a series of rigorous enforcement measures, including at least $3 billion for the Department of Homeland Security to fortify border surveillance and apprehensions. 
  
 The department will have six months to present a plan to begin securing the border and identify where more border fencing might be required. No immigrants would be allowed to apply for “registered provisional immigrant” legal status — which would allow them to live and work here legally, as well as travel outside the country — until both plans are complete. 
  
 In order to apply for permanent resident visas, known as green cards, after 10 years, illegal immigrants would have to pay an approximate $2,000 penalty fee, including $500 up front. They must also demonstrate knowledge of English and civics, and have worked regularly and maintained a continuous physical presence in the country. 
  
 In addition, agricultural workers and children brought to the country illegally by their parents — know as “Dreamers” — would receive an expedited path to legal status. (Both groups would be able to receive green cards in five years. The Dreamers would be eligible for citizenship immediately after they got their green cards.) 
  
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 The bill also creates a W-Visa program for lower-skilled workers, the outgrowth of a parallel negotiation between the country’s largest business and labor groups. A Bureau of Immigration and Labor Market Research, which is to be created by the bill, would be responsible for overseeing the number of workers who could come in annually. 
  
 The legislation also aims to eliminate the backlog of 4.7 million immigrants who have applied to come here legally and have been languishing waiting for green cards. It creates a merit-based program for foreigners to become legal permanent residents, which focuses on both high and low work skills. 
  
 Tuesday’s legislation comes after months of delicate and fraught negotiations within the bipartisan group as well as a carefully managed public relations campaign that the senators hope will blunt any criticism before the expected attacks. Opponents of an immigration overhaul have been preparing to jump on what they see as objectionable sections of the legislation. 
  
 “We had to make compromises,” said Senator John McCain, Republican of Arizona, a member of the bipartisan group. “What really matters is most Americans agree with us that we need to address this issue in a comprehensive fashion. That was not true in 2007. I think that’s a very big difference.” 
  
 In 2007, talk radio hosts and anti-immigration groups mobilized a campaign of angry phone calls to members of Congress that ultimately shut down the Congressional switchboard. If Republican lawmakers hope to pass their bill in the Senate and get it through the Republican-controlled House, they will likely have to do more of the grunt work than their Democratic counterparts to bring voters and legislators on board. 
  
 Senator Marco Rubio, Republican of Florida, another member of the group, has perhaps the most at risk. A Tea Party darling elected in 2010, his political aspirations are tied to the success of the legislation as well as to how his conservative base responds to his involvement in the bill. 
  
 This year, Mr. Rubio got a jump-start on an immigration tour when he appeared on conservative television and radio shows and reached out in phone calls and meetings to talk about the impending legislation. On Sunday, he pressed his case on five major network television programs as well as two Spanish-language networks. 
  
 The bill would allow an individual who qualifies for the new path to citizenship — but has been deported for noncriminal reasons — to re-enter the country as a “registered provisional immigrant,” as long as the individual has a spouse or child who is a citizen or lawful permanent resident. Anyone in the country under the registered provisional immigrant status, however, would not be eligible for food stamps or other federal aid programs. 
  
 Under the new, merit-based visas, the legislation would gradually shift the emphasis from granting them based on family ties, toward visa approvals based on points awarded for an immigrant’s work skills, current employment, education and length of time in the United States. 
  
 In another border security measure, and a concession to the Republican members of the group, employers would be required to use an enhanced electronic verification system to make sure they are not employing anyone in the country illegally. Noncitizens would need to show a “biometric work authorization card” or “biometric green card.” 
  
 Senator Patrick J. Leahy, the Vermont Democrat who leads the Senate Judiciary Committee, has scheduled two hearings on the bill — a response, in part, to Mr. Rubio, who has repeatedly called for public hearings. ||||| WASHINGTON — After months of negotiations, a bipartisan group of eight senators is poised to offer a sweeping bill to rewrite the nation's immigration laws this week, taking advantage of a changed political alignment that, for the first time in nearly a generation, appears to have opened the way for comprehensive legislation. 
  
 The bill would chart a 13-year path to citizenship for most of the 11 million people in this country without proper legal status, spend billions of dollars more on border security, create new legal guest worker programs for low-income jobs and farm labor, require new verification measures for most companies hiring new workers and significantly expand overall immigration to the U.S. for the next decade, according to an outline obtained by The Times' Washington bureau. 
  
 The legalization program would amount to the largest such effort any nation has attempted, affecting more than three times as many people as the Reagan-era immigration reform law. But it is only one part of the legislation, and perhaps not the portion with the greatest impact. 
  
 The agricultural workforce — where half the workers currently have no legal status — would be transformed by a new guest worker program that is designed to bring more than 300,000 immigrant farmworkers to the nation's fields over the next decade and provide field workers an expedited pathway to citizenship. A new visa program for housecleaners, landscapers and other low-skill occupations would be created, while high-tech industries would be allowed to double the number of foreign workers they use. 
  
 All told, the country's current inflow of about 1 million legal immigrants a year could grow by half over the next decade. 
  
 The bill also would probably spur a spending spree on the Southwest border as the government rolls out more surveillance technology, including unmanned drones and military-grade radar, to detect people crossing into the United States. 
  
 Although Congress has deadlocked repeatedly on immigration policy, leading figures in both parties expect that the legislation, expected to run hundreds of pages, stands an excellent chance of approval in the Senate, which plans to begin debate on it next month, and that some version of it could become law by year's end. 
  
 That would make the effort the first comprehensive immigration overhaul since the 1986 amnesty law signed by then-President Reagan. 
  
 "I think we are on the cusp of history here. This is a really big deal," said Marshall Fitz, an immigration expert at the Center for American Progress, a liberal think tank in Washington. "We are operating in a Washington environment that is so dysfunctional, so political, so partisan and yet on this issue.... eight members came together on this from a full ideological spectrum — that is historic." 
  
 Opponents warn that American workers will see their wages erode in the face of greater competition from migrants. Supporters counter that the bill would benefit the U.S. economy by bringing the current unauthorized population out of legal limbo and by providing a steady flow of legal workers for industries with labor shortages. 
  
 The legislative work in Washington reflects the changed dynamic in the country, as polls show a majority of Americans back some type of legal status for those living here without proper authorization. 
  
 Rather than viewing immigrants as a threat or burden to society, increasing numbers of Americans hold positive views of the contributions immigrants make, polls show. 
  
 That shift, along with the growing power of Latino voters, many of whom have made immigration reform a priority, appears to have broken a deadlock on the issue. After the overwhelming Latino vote for President Obama in 2012, many Republican strategists decided their party had little choice but to embrace reform. They tapped Sen. Marco Rubio, the rising tea party Republican from Florida, as their front man in talks with Democratic leaders and the handful of Republicans who had previously supported a legalization plan. 
  
 "What we have seen is, I think, a remarkable — in Washington — level of consensus between and support for bipartisan and comprehensive immigration reform," said White House spokesman Jay Carney on Monday. 
  
 For months, the eight senators — four Democrats and four Republicans — have been meeting privately, often in the office of Sen. Charles E. Schumer (D-N.Y.) steps from the Senate floor, as the contours of the bill took shape. 
  
 Securing the nation's borders against illegal crossings has long been a cornerstone of reform efforts. The new plan requires a secure border with Mexico before the other provisions of the bill, including the citizenship proposals, could take hold. It provides $3 billion to increase surveillance, including the use of unmanned aerial drones. The Southwest border would be considered secure if, within five years, 90% of those attempting to cross illegally are turned back in areas that have had more than 30,000 apprehensions a year. 
  
 An additional $1.5 billion would go toward a double-layer fence constructed with help from the National Guard. Money would also go to local authorities to prevent border crossings, to triple prosecutions in some areas, and to dispatch 3,500 more customs agents. 
  
 After five years, if the border security goals remain unmet, a commission of border state governors and attorneys general will be given money and authority to implement further measures. "We're confident it's achievable," Rubio said over the weekend in a Fox News interview. 
  
 Gaining citizenship would be a decadelong and costly process that would be tied to the border security provisions. 
  
 Six months after the bill becomes law, most of the 11 million people in the country without authorization — those who have been in the country before Dec. 31, 2011, and have no serious criminal record — would be eligible to apply for a new probationary legal status. That would allow them to live and work in the U.S. without fear of deportation. They would be required to pay a $500 initial penalty as well as an application fee and back taxes. The probationary status would be good for six years and could then be renewed after payment of another $500 penalty. |||||
A:
The biggest overhaul of American immigration laws in decades will be filed today, though the bipartisan group of eight senators who crafted it have canceled a scheduled press conference because of the Boston Marathon bombing. The bill provides a 13-year path to US citizenship for 11 million immigrants in the country illegally, but only after steps have been taken to boost border security, reports the New York Times, which notes that the legislation is certain to spark months of intense debate. The pathway to citizenship lies at the heart of the bill, but it also includes guest worker programs for low-income jobs and farm labor, new verification measures for companies hiring new workers, and measures to clear the huge backlog of people who have applied to come to the US legally, the Los Angeles Times reports. Two members of the Gang of Eight, Sens. Chuck Schumer and John McCain, will meet with President Obama today about the plan, titled the "Border Security, Economic Opportunity, and Immigration Modernization Act of 2013," sources tell Politico.