Half-ton pickup trucks crowd the curb outside the One Horse Saloon, a neon Coors Light sign in the window and rib-eye steaks on the menu, but otherwise Nickerson, Neb., is nearly silent on a spring evening, with only rumbling freight trains interrupting bird songs.Regional economic development officials thought it was the perfect spot for a chicken processing plant that would liven up the 400-person town with 1,100 jobs, more than it had ever seen. When plans leaked out, though, there was no celebration, only furious …