Debate: Candy Crowley vs. Martha Raddatz vs. Jim Lehrer - Who was the best moderator?

Jim Lehrer was widely criticized for his limp performance in the first presidential debate of 2012, while Martha Raddatz made up ground with her drill sergeant approach to the vice presidential debate. Candy Crowley's performance as the first woman to moderate a presidential debate in 20 years was largely unremarkable. What did you think?