Christmas trees are going up and we’re wearing parkas, so it’s time to sip our first hot cocktails of the season. We’ll be highlighting our favorites all week. Just in time for the Thanksgiving weekend’s cold snap, the veteran mix man at the Round Robin Bar, Jim Hewes, unveiled his warming classics, including the Bailey’s-and-peppermint-laced Winter Therapy (above left); and the spiced apple cider, with Calvados apple brandy and a rim sprinkled with his spice mix.