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A trivia question that will perhaps win you a drink at happy hour tonight (but probably only if you're at a weird politico-economic happy hour in Washington, DC).

Dave Brat, now the Republican nominee for Eric Cantor's seat, is a PhD economist. He'll be the only one in Congress.

So here's the question:

Who was the last one?

Scroll down for the anwer.

 

 

Answer: Democrat Tom Lantos from California.

Follow Kai Ryssdal at @kairyssdal