The only time I have ever seen an NFL crowd stay in their seats at halftime was when the halftime entertainment was the Best Damn Band in the Land. It is better to see at the Horseshoe though.
Waaay back when, before PC became the rule..I was at Baton Rouge for a game when Paul Dietzel was the coach..remember the "chinese bandits" defense?..The entire student body wore coolie hats and carried chopsticks....it was a hoot..