SHASTA LAKE, Calif. (AP) - An autopsy of a college student found dead at Lake Shasta last week indicates that she hanged herself, Shasta County Sheriff Jim Pope said Monday. Gina Zalunardo, 22, of Redmond, Ore., apparently committed suicide after she disappeared May 7 following an argument with her boyfriend at Slaughterhouse Island on Lake Shasta, Pope said. "The evidence from the scene was the indication of that," Pope said. Toxicology reports are pending. Zalunardo, a junior at Oregon State University, was staying on a houseboat with members of her sorority over the Mother's Day weekend. The boat, which was...