Katie McHugh, the Breitbart writer who tweeted a number of incendiary remarks in the immediate aftermath of the London terror attack, is no longer with the right-wing news site, four sources familiar with the situation told CNN. Breitbart Editor-in-Chief Alex Marlow announced McHugh's departure internally Monday morning. McHugh had ignited controversy on Saturday night when she wrote on Twitter that "there would be no deadly terror attacks in the U.K. if Muslims didn't live there." "You're a real moron," actor Pej Vahdat replied. "You're an Indian," shot back McHugh, incorrectly identifying the ethnicity of Vahdat, who is Iranian-American. McHugh's comments...