It is July on the Florida campus, which means by the time you walk from your car to the football building you need a towel and a sweet tea. The word “languid” comes to mind. Coach Urban Meyer’s office is dark, its occupant stealing the last moments of summer on a coach’s calendar. And then Tim Tebow bounds up the stairs after a noontime workout. It is July on the Florida campus, but the word “languid” never applies to Tebow.