The town of Sangin is best known as the southern epicenter of the Afghanistan opium trade. Today, however, the Pashtun town of 14,000 captured a headline at the Wall Street Journal (Sniper in Afghan Town Puts Marines on Edge) for another reason: an insurgent sniper that the US Marine Corps wants dead. So far, the Sangin Sniper and an accomplice are responsible for two dead (one British and one American) and three wounded. Some of the shots were spectacular . . .