Ethan Coen's trio of short plays, Almost an Evening, first seen this year at Atlantic Stage 2, transfers to The Bleecker Street Theatre. Neil Pepe directs. In Waiting, someone waits somewhere for quite some time. In Four Benches, a voyage to self-discovery takes a British intelligence agent to steam baths in New York and Texas, and to park benches in the U.S. and U.K. In Debate, cosmic questions are taken up. Not much is learned.