By CHRIS BRUMMITT 2010-08-21T14:39:48Z ISLAMABAD, Pakistan (AP) -- The floods tearing through Pakistan's breadbasket have further weakened this already unstable country, inflicting more economic pain on its people and threatening a key pillar of the U.S.-led war against Islamist militants - who stand to gain from the misery. For now attention is focused on meeting the immediate needs of the millions of people affected by the still-spreading disaster....