PHILADELPHIA (AP) — Democratic donors who helped Joe Biden raise money at the start of his White House run have welcomed the former vice president to Philadelphia for a big-dollar fundraiser. An invitation shows tickets for the event Monday ran from as high as $40,000 for those who bundled large sums and got to attend a VIP reception. Biden has a deep well of support in Philadelphia, where his campaign is headquartered. He is a Pennsylvania native who represented nearby Delaware in the Senate for decades.