may have been about comey's firing or about other issues related to obstruction of justice or collusion with the russians, again, we're doing some educated guess work here without the benefit of what robert mueller knows, but it could be very significant. >> okay, senator, stand by. we have more to talk about. as well as the sexual harassment allegations that are unfolding up on capitol hill. we'll talk about that after a quick break. we'll be right back. you're in "the situation room."