BLACKSBURG, Va. — Once again, police rushed to the campus of Virginia Tech. Again, the words man with a gun raced across the university. And again, students and workers locked doors and turned off lights. But a day-long search Thursday failed to locate the tall figure in the blue-and-white vertically striped shirt whom three summer campers thought they saw with a pistol, and by late afternoon their report remained unconfirmed. A five-hour campus lockdown was lifted... (GunPolicy.org)