ARNOLD — People came here for the forest, to live among 200-foot-tall pine trees that shaded their mountain cabins and scented the air.But in the span of two short years, tens of thousands of those trees are gone, ravaged by bark beetles until their green needles turned orange. The trunks, long since toppled, are left on the ground in every which direction, like a game of colossal pick-up sticks.Retiree Jimmy Cooke lost four trees at his home in the particularly hard-hit [...]