“I think it was 100 year since a sitting gov was defeat in a primary race. In either a low or high population state....”
Can you explain this further?
did some more checking looks like it has been done only 24 times since WW2. still a hard thing to do.
http://www.npr.org/blogs/politicaljunkie/2010/01/governors_knocked_off_in_the_p.html