Cleaning at any time of year can be a royal pain, but during the holidays and throughout winter it takes on a whole new level of irritating. That's why when Black & Decker sent me this Cordless Lithium Wet Dry Hand Vacuum I had absolutely no trouble figuring out how I would put it to good use this winter. Let me count the ways. under the Christmas tree, picking up needles and water after I've watered it for the day at the front door, where melted snow, …