 House Oversight Committee James Comer announced Monday Secret Service Director Kimberly Cheadle will appear at a public hearing Monday as the agency is facing intense scrutiny following the shooting. Investigations are underway in the Democratic-controlled Senate as well. Cheadle called Saturday's shooting unacceptable and said it's her responsibility as head of the agency to investigate what happened and to make sure it doesn't happen again. Retail sales held steady in June, surprising many economists.