 ABC Senior Congressional Correspondent Rachel Scott, ABC Chief Washington Correspondent Jonathan Karl says the messaging for both parties will change going forward. This race was going to have the oldest major party nominee in history. That was going to be Joe Biden. It still has the oldest major party nominee, but it's Donald Trump. Harris called about 100 Democrats yesterday after the Biden announcement, including Pennsylvania Governor Josh Shapiro and Kentucky Governor Andy Beshear, both mentioned as possible running mates. This is ABC News.