Overlooking the Interstate and an outdoor shopping mall in Oxford, Ala. stands a sad little hill, bald but for four bare trees and a scattering of stones, seen on March 4, 2010. That the stones are there is beyond argument. But everything else about them - whether somebody put them there, how long they have been there and what should be done with them - became a matter of fierce debate last summer and has continued to yield surprising twists into recent weeks. (Bob Farley/The New York Times)