PHILADELPHIA - It's her party now. The Democrats' historic handoff to Hillary Clinton arrived with affection from one ex-president and an endorsement from an outgoing one. But it also came with a warning: That last glass ceiling isn't shattered yet and Republican Donald Trump is a formidable foe.
Associated Press: Russia rooting for Trump? Obama and Trump disagree
US Democratic Presidential candidate Hillary Clinton and running mate US Senator Tim Kaine arrive for a campaign rally at Florida International University in Miami on July 23, 2016.
