Christian Science Monitor: The decision by the Coast Guard to set fire to parts of the Jamaica-sized Gulf of Mexico oil spill spreading toward the Gulf Coast is a sign of mounting desperation in efforts to prevent oil from the sunken Deepwater Horizon oil rig from reaching American shores. Though burning crude oil has been done experimentally, most notably off the coast of Newfoundland in 1993, it’s a last resort, and indicates that dogged attempts to both contain the spill and stanch the 42,000 gallons of …