Perhaps it's his age or maybe it was the two-and-a-half feet of snow that blanketed Manhattan the night before, but Willis pretty much defined the term "loose cannon" when appearing before the press to discuss his movie "16 Blocks" a few weeks ago. Warner Bros. had to be a tad disheartened that he didn't spend much time talking about his fine performance in Richard Donner's new thriller. Instead, Willis had a ball discussing a number of other topics, such as politics. Willis has identified himself as a Republican in the past, and before a journalist could even ask for his...