North Central College hosts the 2012 Blue Key National Conference, a gathering of students from colleges and universities across the country who are members of the Blue Key Honor Society, an organization whose members are dedicated to scholarship, leadership and service. The keynote speaker at 7 p.m. Friday, Jan. 13, in Wentz Concert Hall at the Fine Arts Center, 171 E. Chicago Ave., is Dr. Samantha Nutt, author of "Damned Nations: Greed, Guns, Armies, and Aid." Her talk is free and open to the public.