MS NOW

Cornyn vs. Stockman

Sen. John Cornyn (R-Texas) thought he'd avoid a credible primary challenge in 2014. Then a bizarre congressman made a surprise announcement.

A pair of bulls butt heads in a paddock at The Great Bull Run at the Georgia International Horse Park in Conyers, Georgia, October 19, 2013.
A pair of bulls butt heads in a paddock at The Great Bull Run at the Georgia International Horse Park in Conyers, Georgia, October 19, 2013.EPA

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."