Obama Warns Kids 'No Using a Marshmallow Air Cannon' in the White House01:02
President Obama goes over some of the rules at the White House Science Fair.
Trump: Pelosi preventing SOTU because 'she's afraid of the truth'03:35
Sanders: 'We now have a president of the United States who is a racist'01:42
President Trump lays wreath at MLK memorial statue01:33
Did Trump commit a crime if he directed Cohen to lie to Congress?02:11
Trump postpones Pelosi’s trip abroad after she calls to delay his State of the Union address01:09
Georgia man arrested for alleged plan to attack White House01:32