Obama, Kaine pile on Trump in scorching warm-up for closing night

President Obama and Tim Kaine tag-teamed to deliver a scorching warm-up Wednesday for Hillary Clinton to accept the party’s nomination for president at the Democratic convention, with the president accusing Republican Donald Trump of only offering “slogans” and “fear” – and Clinton’s newly tapped running mate almost upstaging the commander-in-chief with his gusty impression of the billionaire’s New Yawk bravado.