By DENISE LAVOIE and ALANNA DURKIN RICHER, Associated Press BOSTON (AP) — James “Whitey” Bulger, the murderous Boston gangster who benefited from a corrupt relationship with the FBI before spending 16 years as one of America’s most wanted men, died in federal prison. He was 89. Bulger was found unresponsive Tuesday morning at the U.S. penitentiary …