THE CONCEPT OF WILLIE NELSON Confession: Something was missing in my recent bit on Willie Nelson’s 80th birthday. But I only realized it last week during a long walk home crosstown from the Cutting Room, where I and my new two friends had just seen Buster Poindexter (more on that later). During the show’s intermission, Lincoln Foley Schofield, the club’s booker, asked me how I liked the Willie celebration. It hadn’t even been a week, and I’d...