'Glee' season premiere: Back as the underdog for the final time

It's comforting to watch the Season 6 premiere of "Glee" and realize that, seriously, some things never change. Rachel Berry is still a well-intentioned monster. Football players and cheerleaders run McKinley High School. And, wouldn't you know it, happiness hater Sue Sylvester is still trying to get rid of that pesky glee club.