The main sanction is that he no longer believes these attorneys. hehe. I’ve seen this happen to a party in a courtroom. Usually involves the judge doing a slow take and his/her expression changing as the realization hits that the party is lying. I’ve had a client be hit with this once or twice but usually its been the other side. Drama drama
Anybody who says under oath that Obama’s words can be trusted should either be charged with perjury on the spot or institutionalized for insanity.