collusion, whatever that amorphous crime is that is nowhere in the criminal code, you have no legal right or basis or justification for questioning the president of the united states about a noncrime, i think mueller has come to the realization, he knows if he were to slap the subpoena with a president, the president would move in a motion to quash and that mueller would lose in the federal courts. he might win in district court but in front of the united states district supreme court, mueller knows he would lose. which is now why he's relenting to a few questions in writing of the president about what he may or may not know about collusion, but no questions about obstruction of justice. mark: the president has never appeared before a federal grand jury. bill clinton negotiated an out