U.S. soldiers burning Qurans at Bagram Air Field in Afghanistan has prompted violence and protests across the country, leading to at least 20 deaths. Noticeably absent from the fray, however, is an area that has seen more than its share of violence — Helmand province. Helmand, occupied by some 17,000 Marines, has avoided bloodshed tied to the controversy so far, Maj. Gen. John Toolan told me today during a phone interview. He attributed the success to a plan hatched by Mohammad Gulab Mangal, Helmand’s governor, to quickly respond with several respected mullahs to areas where anger over the burning of…