Republicans assail security aide who reported Trump call

WASHINGTON -- A career Army officer on assignment to U.S. President Donald Trump's National Security Council testified Tuesday he felt it was his duty to object to Trump's "improper" phone call seeking Ukrainian investigations of U.S. Democrats. Republicans answered him with doubts about his loyalty to the United States. Arriving on Capitol Hill in military blue with medals across his chest, Lt. Col. Alexander Vindman told impeachment investigators he felt no hesitation in reporting the presiden