 Photographer and filmmaker Luke Guilford used to love the color and excitement of going to rodeos with his dad. So critic Bob Mondello says it's no surprise that he's given the same enthusiasm to the hero of his feature debut, the coming-of-age drama National Anthem. Dylan is a pretty solitary 21-year-old. Day work on New Mexico construction sites means he doesn't even have regular co-workers. His mom's out partying every now and then. I'm walking out the door right now. I'll meet you there. Guys, don't stay up too late.