President Joe Biden ignored shouted questions from reporters Tuesday - as the Secret Service investigated who left cocaine in the White House in a major security breach. He was delivering remarks alongside first lady Jill Bide to educators attending the National Education Association's Representative Assembly. While the conference is taking place in Orlando, the Bidens took part in it virtually from the White House complex's South Court Auditorium, with the president telling attendees, 'By the way, arming teachers is not the answer.' Gun violence was on the brain as the president earlier Tuesday had put out a statement condemning the...