Dennis Rodman's recent visit with Kim Jong Un set a pretty high bar for weirdness, even by North Korean standards. It's rare enough for a U.S. citizen to get a sit-down with a North Korean leader, let alone a flamboyant former NBA star known as "the Worm" accompanied by an entourage consisting of the Harlem Globetrotters and the staff of a Brooklyn hipster magazine.
But Rodman's just the latest in a long tradition of unlikely Americans making forays into diplomacy. Here are some of the most interesting:
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