that sat in a cabinet meeting with president george w. bush who said he wanted to know who it was. karl rove was relentlessly pursued on that. ultimately not indicted and justly so. but powell knew and should have said and he didn't but i will say this. karl rove is one of the people who spoke most admiringly about him today which tells you a lot about karl and tells you a lot about powell. quite a man. >> bret: panel, thank you. we will see you later in the show. let's bring in dr. matter makary. he joins us from johns hopkins health policy expert. fox news contributor. dr. makary, thanks for being here. we wanted to talk to you about colin powell, we're told, had full vaccine two doses of the vaccine and, yet, characterized complications from covid-19. they also say he was fighting this blood cancer multiple myeloma. talk about that for people out there about how it gets to that