There are nights college football feels less like a sport than a sermon, and Saturday in Houston was one of them. Under the stadium lights, with 28,936 voices rising and falling like tide, the Cougars marched the length of the field eleven straight times and left the Jaguars of Southern searching for answers that never came. By halftime it was 49-0. By the final whistle it was 77-6, a number so lopsided it stopped being a score and started being a warning label. Marshall Faulk, the Hall of Famer now rebuilding Southern from the studs up, called it what it was afterward: not really a game at…