Bushed: A resident of San Francisco's Pacific Heights neighborhood whose regular exercise regimen includes walking the Lyon Street steps was startled the other night when a man popped out of the bushes right in front of the home owned by Sen. Dianne Feinstein and megabucks husband Richard Blum. It was a security guard who was keeping watch over the senator's home, which is also monitored by some eyes in the sky - cameras atop the house's roof. The guard promptly apologized, telling our walker, "I have to go off camera and go to the bathroom in the bushes." "That makes...