At first glance, VH1'a Sober House, like its predecessor, Celebrity Rehab, appears to be exploitative reality TV at it's worst -- stars hitting their bottoms and relapsing, going on drama-fueled drug binges. But there are moments on Sober House that are not only real and touching, they are even cathartic. In the most recent episode with Rodney King, the moment is downright historic. In this clip King revisits the site of his infamous beating. He forgives the officers who beat him and prays for the people who died during the riots. More than a decade later, Los Angeles is still...