 will get underway today, this Tuesday. WTOP Capitol Hill correspondent Mitchell Miller, today on the Hill, Tuesday morning. There was obviously a gap in a security protocol somewhere. Arkansas Republican Congressman Steve Womack, who supports the probe being carried out by the House Oversight Committee. Officials from the Secret Service are scheduled to hold a closed-door briefing with the panel ahead of testimony next week from the agency's director, Kimberly Cheadle.