“I saw you in that play last week; you made me cry.” That’s a line, a bit of dialogue from a sweetly melancholy story told by a minor character late in Stephen Adly Guirgis’ drama, and I can think of no better tribute to the Forum Theatre’s dazzling production than to offer those words up again to John Vreeke’s superb ensemble: I saw you in that thrillingly written, urgently performed, crassly funny, somehow heartbreaking play last week, and damn if you didn’t actually make a critic cry. More words, these for theatergoers: Go now. Words about the story: Judas Iscariot, on trial in purgatory, with witnesses ranging from the Magdalene to Mother Teresa to the Devil himself. Last words: Best thing I’ve seen in a while.