Opening tonight at the Golden Theatre, sensitively directed by Lila Neugebauer, Waverly Gallery - a Pulitzer Prize finalist in 2001 only now making its long-in-coming Broadway debut - is an unsparing visit with a family in extremis. Performed by that first-rate cast - add David Cromer to the list - Lonergan's play, at once loving and unsentimental, gives attention to that long, inevitable passage in a family's life when the old slip away.