 The president returned to the White House shortly after midnight. He cut his weekend trip to Rehoboth Beach, Delaware short. Former President Barack Obama reacting, saying, although we don't yet know exactly what happened, we should all be relieved that former President Trump wasn't seriously hurt and use this moment to recommit ourselves to civility. Leaders from around the world are also expressing outrage. The show must go on at the Republican National Convention this week in Milwaukee. Fox's Bill Malugin has more.