What's happening on the campaign trailFormer President Donald Trump held a campaign rally in Florida tonight as anticipation grows over whom he will name as his running mate. Trump has said he will announce his pick shortly before or during next week's Republican National Convention.President Joe Biden continues to push back against calls for him to drop out of the race, criticizing "party elites" and calling Democratic anxiety a distraction.House Democrats have remained largely supportive of Biden despite party divisions over his re-election, though Rep. Mikie Sherrill of New Jersey today became the latest Democrat in Congress to say the president should step aside.