TPP advocate Obama endorses Clinton as his successor | 09 June 2016 | President Barack Obama formally endorsed Hillary Clinton's bid for the White House on Thursday, praising his former secretary of state's experience and grit, and urging Democrats to unite behind her in the fight against Republicans in the fall. "Look, I know how hard this job can be. That's why I know Hillary will be so good at it," Obama said in a web video circulated by the Clinton campaign...Obama called for unity among Democrats and vowed to be an active force on the campaign trail.