Republican Senator Marco Rubio Announces 2016 Presidential Bid03:57
Rubio’s bid for the Republican nomination sets up a rivalry with his own mentor, Jeb Bush, who is also expected to make a run for the White House.
Michael Flynn under investigation for plan to give Saudi Arabia nuclear technology02:24
Ginsburg returns to Supreme Court after lung cancer surgery02:25
Andrew McCabe: ‘I believe very strongly’ I was fired over Trump probe01:51
Former national security officials to challenge Trump08:23
Is Sanders' voice still unique enough?12:28
Border wall suit uses Trump's words against him13:00