Phil ShaferOur view from the cheap seats​A cold, December night calls for curling up in front of a fireplace with some hot chocolate and a little Bing Crosby, right?Wrong. The perfect antidote to winter chill, actually, is to go see Pitbull in concert. Last night, the Cuban-American cueball -- in a slim-cut suit that practically dripped sex -- used relentless bass and cumbia beats to melt Memorial Hall's icy core. The venue was packed with so many people wearing so little clothing, you'd have