Only Gov. Arnold Schwarz- enegger could make it appear as if he is on the take to a group from which he has refused to accept a dime in campaign contributions. That's what California's larger-than-life governor has managed to do with the state's powerful prison guards union, the California Correctional Peace Officers Association. After freezing out the union's leaders while trying to make prison reform a top priority early in his term, Schwarzenegger has since warmed his relations with the guards while at times seeming to backpedal on his commitment to serious change. Schwarzenegger doesn't take campaign donations from public...