A powerful typhoon has hit South Korea with strong winds and
heavy rain, killing nine and churning up rough seas that smashed
two Chinese fishing ships into rocks and forced the coast guard
to perform a daring rescue of survivors.   Separately, at least
four other people died as Typhoon Bolaven knocked out power to
hundreds of thousands of South Koreans, cancelled flights and
temporarily halted joint war games by U.S. and South Korean
military forces.  North Korea, which is still struggling to
rebuild from massive floods and a devastating drought before
that, was next in the typhoon's path. State media reported the
country was being lashed by heavy rain and strong wind on
Tuesday.   Typhoon Bolaven brought heavy downpours to the
southern port city of Busan (Yonhap Kim Sun-ho, Associated
Press)  Off Jeju island, dangerous waves kept rescue vessels
from approaching the Chinese fishing ships. The coast guard used
a special gun to shoot rope to one ship so officers could pull
themselves over and bring the fisherm