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Rubio picks a line of attack against Trump

Republicans keep trying conventional attacks against an unconventional candidate. Will this ever work or will the GOP learn to try something else?

Republican presidential candidates Sen. Marco Rubio and Donald Trump participate in the Republican presidential debate at St. Anselm College, Feb. 6, 2016 in Manchester, N.H. (Photo by Joe Raedle/Getty)
Republican presidential candidates Sen. Marco Rubio and Donald Trump participate in the Republican presidential debate at St. Anselm College, Feb. 6, 2016 in Manchester, N.H. 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."