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A Republican senator and his beloved conspiracy theory

If an endangered senator is going to cook up a conspiracy theory and accuse the president of an impeachable offense, he should at least try to have some proof.

Sen. Mark Kirk, R-Ill., speaks with Roll Call at his desk in the Hart Senate Office Building on Nov. 13, 2014. (Photo By Bill Clark/CQ Roll Call/AP)
Sen. Mark Kirk, R-Ill., speaks with Roll Call at his desk in the Hart Senate Office Building on Nov. 13, 2014.AP

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."