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Ben Carson asks, ‘Gravity, where did it come from?’

Ben Carson seems uncomfortable with reality, while John Kasich prefers indifference to the dangers he already recognizes. Which is worse?

Republican presidential hopeful Ben Carson speaks to the crowd at the Heritage Action Presidential Candidate Forum Sept. 18, 2015 in Greenville, S.C. (Photo by Sean Rayford/Getty)
Republican presidential hopeful Ben Carson speaks to the crowd at the Heritage Action Presidential Candidate Forum Sept. 18, 2015 in Greenville, S.C.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."