“You get a Top Secret Security clearance as a military officer”
Not automatically. Any clearance is based on information you’re likely to work with. Screw up and it’s bye-bye clearance.
Maybe, but she was assigned to the White House and was working for the Vice President. Not some TriCare clinic in Kansas.
I’m betting she had a clearance. Everyone in that building probably has at least a Secret clearance.
I’m betting that anyone that is invited to a party there gets some sort of background check, which doens’t take much.