MS NOW

Ready or not, the Republican circus gets a new clown

As the pressure rises, and the senator starts to panic, Marco Rubio's instincts tell him to take the campaign into the gutter.

Republican presidential candidate Sen. Marco Rubio, R-Fla., talks to supporters, Saturday, Dec. 5, 2015, in Miami. (Photo by Luis M. Alvarez/AP)
Republican presidential candidate Sen. Marco Rubio, R-Fla., talks to supporters, Saturday, Dec. 5, 2015, in Miami.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."