Straddled the State Line

Nineteen and in a bar?

Four and a half decades ago, I was in college in a town that straddled the state line. College side, 18, South side, 21.

Always wondered, if I stood astride the state line, and passed a beer from one hand to another, would I be alternating between legal and illegal.

Gives a certain perspective on the whole arbitrary legal age limit thing.