CNN hosted another Republican debate, the eighth of the 2012 campaign cycle and CNN’s third, Tuesday night in Las Vegas. Late Monday, CNN announced that yet another Republican debate — one focused on national security and foreign policy — would be scheduled for Nov. 15 in Washington, D.C. Even before CNN’s latest entry to the debate calendar, political reporters, pundits, and candidates were complaining of “debate fatigue” — despite the fact that the ratings for the cable networks that carry them have been on the rise. HuffPost: There have already been eight debates since May, with CNN and Fox News each having co-sponsored three. AllFacebook: Why do some political candidates have a strong Facebook fan base, yet lag in other metrics, such as media coverage or national polls?