Trial set in ROTC slayingFORT BRAGG, N.C. (AP) — Aformer Army honor guard will go on trial June 6 for the slaying and attempted rape of a Princeton graduate assigned to an ROTC training camp last summer, a judge has ruled.Sgt 1st Class Ervin M. Graves, 33, could face the death penalty if convicted. He is charged in the July 10 shooting death of 2nd Ll. Lisa N. Bryant, 21, who was killed in the barracks where both lived on this sprawling Army base.Graves has not yet entered a plea