Weekend events in the Ponca City area. Friday “Talking With” by Jane Martin will be performed at the Ponca Playhouse at 7:30 p.m. Richelle Sigrist will perform from 8 to 11 p.m. at Astoria Blvd. Bistro and Bar. Saturday Oklahoma State University will play Kansas in Stillwater at 11 a.m. Writer’s Circle, presented by the Ponca City Library, will be held from 1 to 3 p.m. Brick Builders,…