 biggest donors, but I'm told this did not go well. A source on the call tells me that some of the donors were furious because they want President Biden to drop out of this race and feel like they did not get a chance to share their views. ABC's Selena Wang. As for former President Trump, he holds his first rally since last weekend's assassination attempt, appearing with his newly announced running mate, J.D. Vance, later today in Grand Rapids, Michigan.