Biden backers make final plea for delivery of mail ballots

PHILADELPHIA (AP) — Down to the wire with the threat of court battles looming, supporters of former Vice President Joe Biden scrambled Monday to rally swing-state voters to drop off ballots, go to precincts in person and deliver a victory so clear-cut as to render inevitable litigation meaningless. As months of President Donald Trump undercutting the legitimacy of mail-in votes gave way to promises he’d challenge them in court, both sides made a final push to ensure their supporters