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Latest polls reinforce Republican Party’s challenges

Republicans have about six days to derail Trump's candidacy. New polls suggest that's a daunting challenge.

GOP Presidential Candidates Debate In Detroit (Photo by Chip Somodevilla/Getty)
Republican presidential candidates (Lto R) Sen. Marco Rubio (R-FL), Donald Trump, Sen. Ted Cruz (R-TX), and Ohio Gov. John Kasich, participate in a debate on March 3, 2016 in Detroit, Mich.Getty Images

Steve Benen is a producer for "The Rachel Maddow Show," the editor of MaddowBlog and an MS NOW political contributor. He's also the bestselling author of "Ministry of Truth: Democracy, Reality, and the Republicans' War on the Recent Past."