Why does Donald Trump repeat talking points that he knows are untrue? During Tuesday night's debate, The Donald asserted that before 9/11, terrorists put their "friends, family, girlfriends" into planes, and "they were sent back -- for the most part to Saudi Arabia. They knew what was going on. They went home, and they wanted to watch their boyfriends on television." Trump made similar claims -- but that the 9/11 terrorists sent back their wives -- earlier this month. Washington Post fact-checker Glenn Kessler shredded the claim. Only two of the terrorists were married, Kessler reported, and neither wife had...