CANADA STOCKS-TSX falls after central bank comment, Ottawa shooting

* TSX down 96.97 points, or 0.67 percent, at 14,450.74 * Eight of 10 main index sectors decline * Energy shares fall with price of oil By John Tilak TORONTO, Oct 22 (Reuters) - Canada's main stock index fell on Wednesday after a four-day winning streak as investors digested monetary policy commentary from the Bank of Canada and news of a shooting in Ottawa. A drop in the price of U.S. crude oil, which pulled energy shares lower, also weighed. The Bank of Canada dropped a