There’s a reason why we haven’t heard much about David Mamet’s 1974 one-act Squirrels. While it has its comic moments, the play doesn’t pack the literary punch of Mamet’s better known work like Oleanna, Glengarry Glen Ross or Sexual Perversity in Chicago. (Some die-hard Mamet fans might even make a case for The Unit on CBS, which Mamet created.) In a nutshell, Squirrels focuses on Arthur’s (Oscar Don Smith) writer’s block, and his attempt......