 NBC News Radio. I'm Rob Martyr. The director of the Secret Service will face Congress on Monday. Director Kimberly Cheadle will testify before lawmakers for the first time since the assassination attempt on former President Trump at his Pennsylvania rally. She will no doubt be grilled about reported failures by her agency at the event. Cheadle has refused calls to resign. President Biden's camp says the president is staying in the 2024 race. Brian Shook has more.