Mike Pence, Eric Holder feud on Twitter over America's greatness

Vice President Mike Pence and former Attorney General Eric Holder are fighting on Twitter about how great America is. Holder lighted the fuse for the feud on Wednesday when he told MSNBC’s Ari Melber that the historic “notion of greatness” that President Trump’s “Make America Great Again” campaign slogan harks back to “never in fact really existed.”