MS NOW

GOP senator questions Donald Trump’s stability, competence

Bob Corker was in the running to be Donald Trump's vice president or secretary of state. Now he's publicly questioning Trump's stability and competence.

Sen. Bob Corker
U.S. Senator Bob Corker (R-TN) talks to reporters after a Republican caucus luncheon at the U.S. Capitol in Washington on April 29, 2014.REUTERS

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."