 During his speech, O'Brien said the paychecks of American workers continue to shrink because of inflation. The union boss has also requested to speak at the Democratic National Convention in August. Congress is gearing up for a multi-committee investigation into the attempted assassination of Donald Trump. House Oversight Committee Chair James Comer announced Monday that Secret Service Director Kimberly Cheadle will appear at a public hearing next week as the agency is facing intense scrutiny following the shooting. Members will also be briefed by the Secret Service.