After another tough run, Sandra Diaz-Twine won the "Survivor: Heroes vs. Villains" 2010 season. After another villianous performance to become the only two-time "Survivor" champion, bank teller Sandra Diaz-Twine was…

The longest running TV show, obviously, has changed from time to time throughout the history of television. Then again, there isn't just one answer to "What is the longest running…