 Good morning, I'm John Aaron. And I'm John Doman. Coming up, both President Biden and former President Trump call for unity after the weekend assassination attempt on Trump. Investigations into the assassination attempt expand to Congress. I'm Mitchell Miller. Today on The Who. The heat is on again. It could feel like 110 degrees. I'm Mike Murilla. WTOP News Time. It's 6 o'clock. This is CBS News on the Hour. Sponsored by Progressive Insurance.