ken gormley is a constitutional law scholar, president of duquesne university. me the president has a job to do. he's entitled to privacy. congress has a job to do and part of that is to conduct investigations. so how do you square the two? >> that's exactly right, michael. first of all, we're talking about a former president here. and the sitting president has waived the privilege. then you have the fact that mark meadows has already cooperated with congress and provided documents. it's hard to turn off the spigot. he has written a book about a lot of this. on the other hand, you have congress and they're really at the core of their functions here, they have a constitutional power to hold hearings, to investigate, and make determines at any moment in history to address problems. we did it -- they did it after the disputed haste election in the 1870s. they held hearings and passed the electoral count act. they did it after the civil war when you have had private groups like the kkk committing atrocities. they held hearings. i've read them, they're powerful. they