The latest entry in the Harry Potter saga could be retitled Fast Times at Hogwarts, where finding a date to the winter ball is nearly as terrifying as worrying about Lord Voldemort's return. Thus, the young wizards' entry into puberty (and discovery of the opposite sex) opens up a rich mining field to balance out the dark content in the fourth movie (and the stories are only going to get darker). Mike Newell (Four Weddings and a Funeral) handily takes the directing reins and eases his yo....