Near the end of Six Degrees of Separation, Allison Janney, portraying the first rich white victim of a young black con man, tells her husband that she doesn’t want to turn the experience into an anecdote, “with no teeth and a punch line you’ll mouth over and over for years to come.” But it was an anecdote that John Guare heard from friends, reportedly at a dinner party, that inspired him to write Six Degrees of Separation in the first place, and his 1990 play, now being revived on Broadway for the first time, in fact feels like the theatrical equivalent of a dinner party anecdote. It is funny – sometimes very funny — well crafted, coated with a patina of sparkling sophistication, even at times pointed and almost poignant. It’s an enjoyable entertainment. But it does not add up to the significant experience that Allison Janney’s character feels. And, while the play touches on such matters as race and class and the struggle for connection in modern life, it does not offer the profound insights that the playwright evidently intends.