PARI was represented by Don and Jo Cline at the annual gathering of amateur astronomers at Tri-Star in Greensboro, NC on Friday, March 6, 2010. The keynote speaker, who gave the Harlow Shapley Lecture, was Dr. Neil Comins from the University of Maine. Don and Jo gave Dr. Comins a tour of the Cline Observatory. His topic for the lecture was, "What if Earth Were a Moon?" The participants also heard from Tim Martin, recently back from an Arctic expedition.