When Deadwood fans tune into the long-awaited two-hour revival movie on Friday, May 31 (8/7c, HBO), they will encounter a strikingly — in some cases hauntingly— different Al Swearengen. “You can’t drink that much and not have it affect you in some way,” Ian McShane cryptically tells TVLine of his brash, foul-mouthed alter ego’s gaunt […]