in which case pulling clearance would be, i think, a reasonable thing to do. i don't think you do it automatically. i think it's something that has to get into. it's a trigger. what happened was a trigger that should have led people to look into the issue and look into it carefully. >> homeland security officials say the russians tried to get into election-related computer systems in 21 states. they were scanning voter databases. what could they have been looking for? >> they're looking to disrupt our elections. the russians are never not interfering in other countries' elections. they have an operation called disinformation in which a major part of that is interfering with other countries' elections. they've been doing this for decades. they do it all the time. they're never not doing it. so what we have to do is not waste our time saying, were they really trying to do something? we need to figure out what has to be done to the voting