MS NOW

Cruz starts to break through in Iowa

By some measures, the new polling out of Iowa constitutes the "most important development" in the Republican race "in months."

U.S. Sen. Ted Cruz (R-TX) campaigns in Sioux City, Iowa Friday, Nov. 20, 2015, at Briar Cliff University, a private Catholic school. (Photo by Jerry Mennenga/ZUMA)
U.S. Sen. Ted Cruz (R-TX) campaigns in Sioux City, Iowa Friday, Nov. 20, 2015, at Briar Cliff University, a private Catholic school.ZUMAPRESS.com

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."