Antonio Amadeo, left, and William McNulty in Yankee Tavern. By Hap ErsteinA guy walks into a bar and orders two beers, one for himself and one for his absent buddy.Yes, it sounds like the set-up for a joke, but with his chilling new play, Yankee Tavern, the prolific Steven Dietz has something darker and more sobering in mind. Chances are he would be pleased if his paranoid yarn … [Read more...]