Detailed Instructions: In this task, you are given a text of many news articles seperated by special token "|||||". Your task is to summarize them.
Problem:Rick Santorum dealt an embarrassing setback to Mitt Romney’s presidential campaign Tuesday night, sweeping non-binding contests across three states and raising new questions about conservatives’ willingness to accept Romney as their nominee. 
  
 Santorum beat Romney handily in the Missouri primary and Minnesota caucuses, and well after midnight on the East Coast he was also declared the winner of Colorado’s caucuses. He defeated Romney by 30 percentage points in Missouri, 55 percent to 25 percent; in Minnesota, Santorum took 45 percent to Ron Paul’s 27 percent and Romney’s 17 percent. 
  
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 reset Santorum: Romney not the best Allen and VandeHei break down Santorum’s big win 
  
 The margin in Colorado was the closest of the three contests — Santorum led by 5 points with 100 percent of precincts in. But that defeat may have stung the most for Romney, who led polling in the Western state, where his Mormon faith was expected to be an asset. 
  
 All three primaries and caucuses are largely symbolic and no delegates were awarded Tuesday night. Colorado and Minnesota Republicans will apportion their delegates in subsequent party meetings, while Missouri will hold an entirely new, nonbinding caucus process next month. 
  
 But even if the three states do not change the delegate math in the GOP presidential primary, they add up to Santorum’s best night since the Iowa caucuses at the beginning of January. In his victory speech to a crowd in Missouri, Santorum cast them as victories for the conservative cause. 
  
 “Conservatism is alive and well in Missouri and Minnesota,” Santorum said, telling his audience that he didn’t want to be “the conservative alternative to Mitt Romney.” 
  
 Said Santorum: “I stand here to be the conservative alternative to Barack Obama.” 
  
 Coming one week after Romney routed the field in Florida — and days after he took a majority of the vote in the Nevada caucuses — Tuesday’s elections inject a heavy new dose of doubt into Romney’s perceived inevitability. 
  
 Santorum’s victories may be as much a vote of no-confidence in Romney from the right wing of his party as an enthusiastic validation of Santorum. The former senator has impressed Republicans with his workman-like performance on the campaign trail but has up to this point failed to ignite national-level energy for his campaign. 
  
 Santorum declared earlier Tuesday that these contests might very well change that, calling the evening a turning point in the GOP campaign. 
  
 “I feel great that Minnesota is going to change the direction of this race tonight,” Santorum said at a campaign stop in Blaine, Minn. 
  
 Whether these three votes will be enough to shift the arc of the GOP race toward Santorum in a more durable way remains to be seen, and Santorum faces daunting organizational and fundraising obstacles as he moves forward. Regardless, Romney will have some explaining to do Wednesday morning, even after downplaying the significance of this troublesome trio of elections. 
  
 Romney’s defeats may not amount to anything more than a momentary setback in his halting march to the GOP nomination. But he spent a substantial amount of time campaigning in Colorado after a brief stop in Minnesota a week ago and committed financial resources to multiple states. Delegates or not, Romney wooed the affections of voters in several states that voted Tuesday and was rebuffed. ||||| DENVER—Rick Santorum jolted the Republican presidential race Tuesday with a three-state sweep of nominating contests in Colorado, Missouri and Minnesota, puncturing Mitt Romney's claim to be the unstoppable front-runner. 
  
 Rick Santorum jolted the Republican presidential race Tuesday with a three-state sweep of contests in Colorado, Missouri and Minnesota, puncturing Mitt Romney's claim to be the unstoppable front-runner. Patrick O'Connor has details on Lunch Break. 
  
 Mr. Santorum's victories—one in the Mountain West and two in the Midwest—gave his campaign a much-needed burst of momentum while stirring doubt about Mr. Romney's abilities to woo conservatives to his side in important electoral swing states such as Missouri and Colorado. So far, Mr. Romney has won in states where he has devoted significant campaign time and advertising dollars. 
  
 In two of the states, Colorado and Minnesota, Mr. Romney had won by large margins in 2008. He was hugely favored in Colorado in the days leading up to the Tuesday caucus. Two of his top aides have deep experience in the state, and his campaign has been busy organizing there for months. 
  
 Mr. Santorum on Wednesday morning said the trio of wins had attracted donors. "I think last night we raised a quarter of a million dollars online," he said on CNN's "Starting Point with Soledad O'Brien." "So we're doing really well and we feel like going forward we're going to have the money we need to make the case we want to make." 
  
 On MSNBC's "Morning Joe," Mr. Santorum said he's looking forward to the Michigan contest on Feb. 28 and the rush of primaries afterward. Ten states hold contests on Super Tuesday, March 6. 
  
 He said Michigan—where Mr. Romney grew up and his father, George Romney, was governor—"is a great place for us to plant our flag and talk about jobs and manufacturing and giving opportunities for everybody in America to rise." 
  
 Rick Santorum got a big boost to his campaign on Tuesday when he defeated his GOP rivals in primary elections in Missouri, Minnesota and Colorado. Watch Santorum speak to supporters at his primary night rally in St. Charles, Missouri. (Photo: Getty Images) 
  
 Of the eight nominating contests so far, Mr. Santorum has now won four, while Mr. Romney has won three and Newt Gingrich one—a tally that seemed unlikely only a few days ago. Until Tuesday, Mr. Santorum, a former Pennsylvania senator, had won only a single contest, a narrow victory in Iowa's Jan. 3 caucuses. 
  
 In Missouri's primary, Mr. Santorum won 55% of the vote, while Mr. Romney followed with 25%. Texas Rep. Ron Paul was trailing with 12%. Mr. Gingrich wasn't on the Missouri ballot. 
  
 Enlarge Image Close Associated Press Rick Santorum spoke in Colorado Springs, Colo., today. 
  
 Mr. Santorum's Missouri victory margin was substantial: He won 75,000 more votes than Mr. Romney and 29,000 more than Mr. Romney's combined Iowa and Nevada totals. 
  
 While the Tuesday results didn't directly award any of the delegates needed to claim the GOP nomination, they showed voters rejecting Mr. Romney even in states where he had performed well four years ago. 
  
 Mr. Romney had carried Minnesota's caucuses in 2008 but placed third there on Tuesday. With 98% of the vote counted, Mr. Santorum had 45% of the vote, while Mr. Paul had 27%. Mr. Romney had 17% and Mr. Gingrich 11%. 
  
 Republicans Vie for Support View Slideshow Evan Vucci/Associated Press Former Speaker of the House Newt Gingrich met with voters during a campaign stop at the Price Hill Chili Restaurant in Cincinnati, Ohio, Tuesday. 
  
 Poll Tracker WSJ's guide to the latest political polls On the Issues Read where each Republican hopeful stands on major issues in the campaign. View Interactive More photos and interactive graphics 
  
 With all Colorado precincts counted, Mr. Santorum had 40%, to 35% for Mr. Romney. Four years ago, Mr. Romney carried Colorado's caucuses with 60% of the vote. 
  
 Mr. Santorum has lagged in the primaries held since his Iowa win in early January. His three-state sweep Tuesday will buttress his argument that he, not Mr. Gingrich, is the GOP's top alternative to Mr. Romney. The victories also will likely give a fund-raising boost to Mr. Santorum, who has kept his campaign running on a shoestring budget since launching his bid last summer. 
  
 "Conservatism is alive and well in Missouri and Minnesota," Mr. Santorum said at a victory rally in St. Charles, Mo. "I don't stand here to be the conservative alternative to Mitt Romney," he said, prompting loud chants of support. "I stand here to be the conservative alternative to Barack Obama." 
  
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 Mr. Romney told followers in Denver that the Colorado race was "too close to call" but that he expected to come in either first or second. "I expect to become the nominee, with your help," he said. 
  
 Mr. Romney still has far greater financial and organizational resources than do his opponents, advantages in what could be a long, state-by-state fight for convention delegates. 
  
 "We had to make tough choices. We're very focused on the delegates," said Stuart Stevens, the campaign's chief strategist. "There will be the same amount of delegates today as there are tomorrow." 
  
 As for Minnesota, Mr. Stevens suggested that Mr. Romney fell victim to the same forces that brought down Sen. John McCain in the state in 2008, allowing Mr. Romney to seal a victory there four years ago. 
  
 "Last time I think that we were benefiting from being someone who was seen as a conservative alternative to someone who was leading the race at the time," Mr. Stevens said. "Rick Santorum spent a lot of time there to his credit and really worked it." 
  
 WSJ's Patrick O'Connor has details of Rick Santorum's trio of victories in Minnesota, Colorado and Missouri. AP Photo/Jeff Roberson 
  
 Anticipating defeat in at least one and possibly two of Tuesday's contests, the Romney campaign had sought early in the day to play down their significance, noting that none of them would result directly in the awarding of delegates. 
  
 Minnesota and Colorado held nonbinding caucuses. The Missouri primary had no delegates at stake. After Tuesday's flurry of votes, the candidates face a three-week lull that will test their endurance and cash reserves ahead of Super Tuesday. 
  
 In a sign of how the race was leaping toward that showdown, Mr. Gingrich spent most of Tuesday campaigning in Ohio, a Super Tuesday state, while Mr. Romney planned to fly Wednesday to Georgia, which also votes that day. 
  
 Some top conservatives are predicting the nomination brawl could extend well into the spring if Mr. Romney isn't able to deliver a knockout blow on Super Tuesday. 
  
 "That will be very tough for the party if millions of dollars more are spent on Republicans attacking Republicans," said Al Cardenas, president of the Conservative Political Action Committee, which is hosting its annual conference this week. 
  
 A memo released Tuesday by Mr. Romney's political director, Rich Beeson, asserted that the former Massachusetts governor's larger organization and cash reserves offered little chance for his rivals to catch up in the weeks and months ahead. 
  
 The Romney camp has already shifted its sights to the next contests, in Arizona and Michigan on Feb. 28, states where the former governor appears to be favored. Mr. Romney won Michigan and placed second in Arizona in 2008. 
  
 Romney advisers say the candidate will spend much of the next three weeks raising money to fuel what most expect to be the priciest month of the campaign. Advertising simultaneously in big Super Tuesday states such as Georgia, Tennessee, Massachusetts and Ohio could cost the Romney campaign tens of millions of dollars. 
  
 Mr. Gingrich is counting on making strong March performances in the South, although he is also making a play for Ohio. But the former speaker will have to wait two weeks until the candidates meet for another televised debate, forums that have boosted him at times. 
  
 —Patrick O'Connor contributed to this article. 
  
 Write to Neil King Jr. at neil.king@wsj.com and Danny Yadron at danny.yadron@wsj.com 
  
 Corrections & Amplifications 
  
 Rick Santorum was a former Pennsylvania senator. An earlier version of this article incorrectly said he was a former governor. |||||
Solution:
Colorado's GOP has declared Rick Santorum the winner of the state's presidential caucuses, making last night a clean sweep for the former senator, and a disaster for Mitt Romney's momentum. Santorum scored 40.2% of the vote to Romney's 34.9%, while Newt Gingrich beat Ron Paul for third place with 12.8% to Paul's 11.8%. With the victories in Minnesota and Missouri, Santorum has now won more states than Romney, although all three of last night's contests were largely symbolic. The defeat in Colorado is likely to sting the most for Romney, who won the state in 2008 with 60% of the vote, notes Politico. His advisers say Romney will now spend much of the next few weeks raising money to fund a pricey stage of the campaign ahead of next month's Super Tuesday primaries, the Wall Street Journal reports. Santorum, meanwhile, faces the challenge of building an organization to match Romney's. His advisers predict that the triple win will lead to a surge in donations.