 and large there we are told by the campaign 3 000 people here they actually had to move to a different venue because there was so much interest in this it is quite a debut for kamala harris president biden will address the nation tomorrow night about his decision to drop out of the race after an assassination attempt on donald trump at a rally secret service director kim cheetle resigned today it follows bipartisan calls for her to step down due to lapses in security cheetle says she takes responsibility