Here we go again, back to that terrible summer house in New England, which is yet another depressed character in Eugene O'Neill's unsurpassable "Long Day's Journey Into Night" (now in a Roundabout Theatre Company revival, at the American Airlines). Much is made of the house's poor, cramped furnishings and its shabby location by Mary Tyrone (Jessica Lange), who longs for a real home, if only she knew what that was. Fo…