I flew out of IAD last night. I was in the premium line and arrived at the ID checker/SPOTnik. He was a young Millennial-age kid who looked like he started shaving last week. Looks at my boarding pass after a purfunctory look at my passport. Conversation:

SPOTnik: "Is Vienna your final destination?"
Me: "As far as I know..."
SPOTnik: "Where are you staying?"
Me: "I don't discuss my travel plans."
SPOTnik: "Oh, OK... Just wondering because my dad was stationed there in the military."

End of conversation... I must have flustered him because he had to make up the last statement. Austria has been non-aligned since WWII, so the only way his dad could have been stationed there was if he was one of a few at the Embassy.

I really hate having to be this way with another human being, but, it is the TSA..