Asia shares slip, yen gains as uncertainty grips

By Wayne Cole SYDNEY (Reuters) - Caution gripped Asian markets on Tuesday, sending the safe-haven yen higher ahead of central bank meetings in the United States and Japan, while a fresh skid in oil dampened energy stocks on Wall Street. MSCI's broadest index of Asia-Pacific shares outside Japan fell 0.2 percent, consolidating after recently topping out at nine-month highs. Japan's Nikkei shed 1 percent, with investors seemingly unimpressed by a Nikkei report the government planned a direct fisca