SCOTTSDALE, Ariz. - He’s one of the most notorious mobsters in the history of organized crime. Salvatore "Sammy The Bull" Gravano earned the name at 10, when some older bullies stole his bike.He fought them with such ferocity that some mobsters watching marveled that he went after them "like a bull." The name stuck.Gravano eventually rose to second in command of the Gambino crime family, committed 19 mob murders, and in 1991, facing life in prison, he turned on his boss, John Gotti, and cooperated with the feds, sending Gotti to prison for life.In exchange for his cooperation, Sammy got five years.At 75, after two stints in prison, he’s now our neighbor.