traditional process that had been discussing ukraine for months if not years. >> john, you mentioned the idea of bolton maintaining his credentials with republicans. if that is a large, motivating factor for him or a giant concern hanging over him, it might influence what he says, how far he's willing to go in what he says. i mean, if he wants to be re-embraced by the fox news crowd, that might color what he remembers. >> it gives him some cover in even appearing, but once he gets up there, i disagree with jeffrey on the fact that executive privilege is really not at play here. any witness who appears in front of the committee, unless he's employed at the white house, there is just no way to invoke executive privilege unless that witness wants to use it as a shield to not testify. once he goes as far as to go up