We were dining on barbecue beef brisket Sunday beneath the shade trees at Ole Gilliam Mill near Sanford, N.C., when Cassie asked, "When are you going to dance?" Cassie is a friend of my son Bob, and also of his twin brother Jim and Jim's wife Danielle. Cassie remembered how I danced at Jim's wedding - the old man busting out his old disco moves circa 1979 - and was eager for another show.