 This is a special report from ABC News. Biden drops out. I'm Sherry Preston. The presidential campaign upended by President Biden's weekend decision to end his reelection campaign. ABC's Rachel Scott with reaction from Donald Trump. This is now a major campaign reset, to say the least, with just over 100 days to go until the November election. It's a curveball the Trump campaign was preparing for, but this is not one that they wanted. And Trump's playbook so far has been to attack, attack, attack.