Ken Jennings holds the record for the longest winning streak on the game show "Jeopardy!" and is the all-time leading money winner on American game shows.
He is undoubtedly one of the smartest, most interesting people in the US (right after Jeopardy! host Alex Trebek, of course, who obviously knows more than anyone).
Jennings is an avid Twitter user, & his frequent tweets are usually hilarious. On Twitter, he makes no bones about his dislike for Santorum, as evidenced in the following: