He should definitely lose any security clearance he has.
If having an affair as a Congress critter is the criteria to lose your security clearance, half of them wouldn't be allowed to enter the chambers
When he confessed after an attempted blackmail, there is no reason to lose a clearance. If anything, it does show a considerable degree of integrity. Doesn't excuse his behavior, but he owned up to it.
He also seems to have tried to make sure the other woman wasn't harmed financially. Think a democrat would have done the same?
Why?