also senator john mccain says president trump needs to learn from history about attacking a free press. >> that's how dictators get started. >> my interview with senator mccain. plus spy games, how serious is the rift between president trump and the intelligence community? >> the last thing they need is to have a president who questions their patriotism to this country and to him. >> i'll talk to the former his of the cia, leon panetta. and stress test. how politics is getting all of us stressed out. but some a lot more than others. joining me for insight and analysis are david brooks, columnist for the "new york times." amy walter, national ed tore of "the cook political report." hugh hewitt, host on the salem radio network. and donna edwards of maryland. welcome to sunday. it's "meet the press." >> from nbc news in washington, the longest-running show in television history, celebrating