“Extra” talked to “Glee” stars Matthew Morrison and Jane Lynch at the Television Critics Assn. FOX event and got the TV teachers to give us a lesson on what’s coming up for the show.Morrison couldn’t reveal too many details on the Katie Couric episode, but did say the news anchor can cut a rug. “I did do a little dance with her. We just got together and were kind of dancing. She actually taught me some moves, a thing called the pretzel, do you know the pretzel? I can’t even do it, you’re all locked up and you’re going crazy! I’m impressed.”Source