 The former president referencing last week's shooting in the first few minutes of the rally. Meanwhile, President Biden vowing to get back on the campaign trail next week, despite growing calls for him to step aside. ABC's Alison Kosak, President Biden's doctor today, saying that his COVID symptoms continue to improve ahead of his scheduled return to the campaign trail next week as aides huddling behind the scenes, pressure mounting on Biden to drop out of the race.