Palladino was robbed and critically injured just outside his San Francisco home San Francisco police have arrested a suspect in connection with a robbery and assault that left Jack Palladino, the famed private investigator who once worked for former President Bill Clinton, on life support this week, according to local reports. Authorities were also on the hunt for at least one other assailant, the San Francisco Chronicle reported Saturday evening, citing a source familiar with the investigation. The 70-year-old gumshoe reportedly cracked his head on the pavement outside his Haight-Ashbury home when muggers yanked a new camera from around his...