 Two GOP senators confronted the director of the Secret Service at the RNC Wednesday night about Trump's assassination attempt. Tennessee Senator Marsha Blackburn and Wyoming Senator John Barrasso asked pointed questions to Kimberly Cheadle about reported failures by her agency at the Pennsylvania rally. The confrontation started on the RNC floor, with Cheadle saying this is not the time for questions. President Biden is canceling his Las Vegas campaign event after testing positive for COVID-19. Gabe Gutierrez with more.