Persuasion, assassination, substitution... Since the election debate at the end of June, the election situation in the United States has begun to experience ups and downs. What shocking events have happened in the American political arena this July?

Persuasion, assassination, substitution... Since the election debate at the end of June, the US election has begun to experience ups and downs. What are the major events in the US political arena this July? < br > < img src = "https://flash-scdn.jin10.com/eaee7e18-3c07-438c-9f38-132cab04fc82.jpg" referrerpolicy = "no-referrer" >