Originally Posted by LemonThrower
Probably becuase he doesn't deserve to be in prison. Most states in the U.S. have a limit of .08, which can be surpassed after just one drink. Now, most people are not any more impaired after just one drink than they are by watching billboards or listening to the radio. I think most participants in the US judicial system recognize this.
While .08 is a tigther standard than in the past, one drink will not get you there unless you are an infant.