CNN paid for Margerry Bakley, sister of Robert Blake's slain wife, airfare from Knoxville, Tenn., to Los Angeles, put her up in a hotel and ferried her around in a limousine. And CNN was the only place you could see Bakley, doing her victory lap Monday when the actor and his bodyguard were formally charged in the shooting death on Bonny Lee Bakley. CNN had locked Margerry Bakley up as its exclusive "get" for the day. According to two reporters covering the arraignment, the limousine driver seemed to be doubling as a sort of handler -- no doubt to protect...