Retired US Air Force Colonel Morris Davis, who served as the chief prosecutor for military trials at Guantanamo from 2005 to 2007, speaks about US policy on torture. — Thu, Jan 31, noon: UNC School of Law, Room 5042, 160 Ridge Rd, Chapel Hill. — Thu, Jan 31, 4 pm: East Duke Parlor, 210 East Duke Bldg, Duke Campus, Durham. — Thu, Jan 31, 7:30 pm: Graphic Arts Lecture Hall, Johnston Community College, 245 College Rd, Smithfield. — Fri, Feb 1, noon: Caldwell Hall G107, NCSU Campus, 2221 Hillsborough St, Raleigh.