Gennaro “Jerry” Angiulo, who ruled Boston’s Mafia with an iron fist for two decades, died today, sources have confirmed. Angiulo suffered a broken hip earlier this month while fighting a losing battle with kidney failure. The ex-gangster was 90 years old. Angiulo had returned to his compound in Nahant upon his release from prison in 2007 after a 21-year stint behind bars for his 1986 conviction on federal racketeering, loansharking and illegal gambling charges. The reign of the former New England La Cosa Nostra underboss was ended by his rivals in the South Boston Irish mob, James “Whitey” Bulger and...