The FBI turns to "Sammy the Bull" to answer a key question in the James Comey "8647" case: Would the former Gambino prosecutor know what "86" means? Former mob

The FBI turns to "Sammy the Bull" to answer a key question in the James Comey "8647" case: Would the former Gambino prosecutor know what "86" means? Former mob underboss Salvatore Gravano tells an FBI agent Comey "had to know," explaining that while "86" generally means to "get rid of" someone, to …