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:Republicans Ben Carson and Carly Fiorina and Democratic Sen. Bernie Sanders have gained significant ground in their parties’ presidential primary races in recent weeks, the latest Wall Street Journal/NBC News poll finds. 
  
 Former Secretary of StateHillary Clinton and real-estate developer Donald Trump continue to lead the fields for their parties’ nominations. But Mr. Trump is now essentially tied with Mr. Carson, and significant movement has occurred among candidates just behind them. Mr. Carson is backed by 20% of GOP... ||||| AP Photo Poll: Carson ties Trump, Biden draws from Clinton Democratic and Republican front-runners are losing their leads. 
  
 As Vice President Joe Biden considers a potential presidential campaign, a new NBC News/Wall Street Journal poll released Sunday shows a Biden candidacy would draw support away from former Secretary of State Hillary Clinton. 
  
 The poll shows Clinton leading Vermont Independent Sen. Bernie Sanders, 42 percent to 35 percent — with Biden, who is mulling entering the race, at 17 percent. But when pollsters asked those favoring Biden to pick their second-choice candidate, the majority of Biden backers flocked to Clinton, who would lead Sanders by 15 points without the vice president in the race. 
  
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 The other Democratic contenders — former Virginia Sen. Jim Webb, former Maryland Gov. Martin O'Malley and former Rhode Island Gov. Lincoln Chafee — were at 1 percent or less in either scenario. The poll surveyed 256 Democratic voters and has a margin of error of plus or minus 6.1 percentage points. 
  
 On the Republican side, neurosurgeon Ben Carson has pulled into a tie with real estate magnate Donald Trump. Trump has just a one-point advantage over Carson, 21 percent to 20 percent. 
  
 Florida Sen. Marco Rubio and former Hewlett-Packard CEO Carly Fiorina are tied for third at 11 percent. Former Florida Gov. Jeb Bush is at 7 percent, Ohio Gov. John Kasich is at 6 percent, Texas Sen. Ted Cruz is at 5 percent, Kentucky Sen. Rand Paul is at 3 percent, New Jersey Gov. Chris Christie is at 3 percent and former Arkansas Gov. Mike Huckabee is at 2 percent. 
  
  
  
  
  
 Bringing up the rear are former Pennsylvania Sen. Rick Santorum and Louisiana Gov. Bobby Jindal, both at 1 percent. Failing to earn any support were South Carolina Sen. Lindsey Graham, former New York Gov. George Pataki and former Virginia Gov. Jim Gilmore. The poll includes interviews with 230 Republican voters, and results for this question carry a margin of error of plus or minus 6.5 percentage points. 
  
 The poll was conducted Sept. 20-24 for the two media outlets by the Democratic firm Hart Research Associates and the Republican firm Public Opinion Strategies. |||||
Solution:
The rival Donald Trump might not want to prematurely brand as a loser is Ben Carson, currently breathing down the Donald's neck in the latest Wall Street Journal/NBC News poll that puts them at 21% and 20%, respectively. Carly Fiorina is seeing a dizzying surge at 11%, where she's tied with Marco Rubio; she barely registered in a poll in July, notes the Journal. Jeb Bush trails at 7%, John Kasich at 6%, and Ted Cruz at 5%. Rand Paul and Chris Christie are tied at 3%, while Mike Huckabee manages just 2%, and the remaining candidates failed to break the 1% mark. Hillary Clinton still leads the Democratic pack at 42%, though Bernie Sanders is polling at 35% and Joe Biden is making things interesting: The veep has 17% support without having announced a candidacy, but Politico notes that his entry into the race would siphon support away from Clinton. Voters barely noticed the presence of Jim Webb, Martin O'Malley, and Lincoln Chafee in the race; those candidates were polling at 1% or less.