MIAMI - JULY 04: A driver who failed a field sobriety test at a DUI traffic checkpoint stands in handcuffs waiting to be processed June 4, 2007 in Miami, Florida. Several law enforcement agencies were conducting the checkpoint and conducting saturation patrols to help save lives during the 4th of July holiday. The National Safety Council has rated the July 4th holdiay as one of most lethal holidays for drivers, with alcohol factoring into nearly half of all motor vehicle deaths. (Photo by Joe Raedle/Getty Images)
