manu, the senate security committee's vice chairman saying he's going to introduce new legislation. >> i think it has a very slim chance of passing. raised concern that maybe the president will try to revoke security clearances prosecutors involved in the mueller investigation. but those are democratic concerns at this point. tweeting earlier today i'll be introducing legislation next week to block the president from punishing and intimidating his critics by arbitrarily revoking their security clearances. >> if brennan had just been making political statements here, the president is well within his rights to revoke his security clearance. so it's uncertain whether warner would be able to get more than a