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The latest in a series of rookie mistakes for Marco Rubio

Marco Rubio went after Ted Cruz for his vote against a defense bill, which Rubio didn't bother to vote for because he didn't show up for work that day.

Sen. Marco Rubio, R-Fla., accompanied by Sen. Ted Cruz, R-Texas, speaks during a news conference on Capitol Hill in Washington, Sept. 27, 2013. (Photo by J. Scott Applewhite/AP)
Sen. Marco Rubio, R-Fla., accompanied by Sen. Ted Cruz, R-Texas, speaks during a news conference on Capitol Hill in Washington, Sept. 27, 2013.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."