 Killer mafia boss Matteo Messina Denaro may have been captured this week after 30 years on the run, but his shadow still looms large over his Sicilian hometown.While some in Castelvetrano are relieved the barbarous 60-year-old is finally behind bars, many in the Cosa Nostra heartland where he grew up refuse to speak about him.Since the arrest of Messina Denaro on Monday, passers-by in the town of nearly 30,000 people in Sicilys southwest have hidden under umbrellas or walked faster to avoid the... 