‘Yankee Tavern’ at American Blues Theater: Conspiracy theory slips under cloak of reality

Review: Ray is a dot-connector with a conspiracy theory about everything from 9/11 to Disneyland. His hypotheses range from intriguing to idiotic, but taken together they make for an interlude as provocative as it is wild in Steven Dietz’s “Yankee Tavern” at American Blues Theater. ★★★