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Huckabee reaches new low with ugly Holocaust rhetoric

For all the hand-wringing about Trump's antics, the other Republican presidential candidates are often just as ridiculous. Take Mike Huckabee, for example.

Mike Huckabee, former governor of Arkansas, announces he will seek the Republican presidential nomination at Hempstead Hall in Hope, Arkansas, U.S., May 5, 2015. (Photo by Luke Sharrett/Bloomberg/Getty)
Mike Huckabee, former governor of Arkansas, announces he will seek the Republican presidential nomination at Hempstead Hall in Hope, Arkansas, U.S., May 5, 2015. Bloomberg via 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."