 We still don't have a clear understanding of why a gunman tried to assassinate former President Donald Trump on Saturday. So some people are coming up with their own reasons. The shooting happened in the middle of a presidential campaign that was already saturated with conspiracy theories and threats of political violence. We're joined now by NPR's Lisa Hagan and Odette Youssef. Good morning to both of you. Lisa, would you give us a sense of how conspiratorial rhetoric has been stirred up by this attack?