• President Barack Obama and Democratic Presidential nominee Hillary Clinton wave to delegates after President Obama's speech during the third day of the Democratic National Convention in Philadelphia , Wednesday, July 27, 2016. (AP Photo/J. Scott Applewhite)

    It’s her party now: Ex-presidents handoff to Hillary Clinton

    PHILADELPHIA (AP) — His own legacy on the line, President Barack Obama implored Americans to elect Hillary Clinton to the White House, casting her as a candidate who believes in the optimism that drives the nation’s democracy and warning against the “deeply pessimistic vision” of Republican Donald Trump.