The National Security Council official who bucked U.S. President Donald Trump's directive to not participate in the House of Representatives' impeachment investigation has been fired, his lawyer said Friday. Lieut. Col. Alexander Vindman was one of the participants on the July 25 telephone call Trump held with Ukrainian President Volodymyr Zelensky that was the impetus for Trump's impeachment. He testified before the House after being subpoenaed, saying he raised concerns ...