to a fixed timeframe. you can see the rest of this news conference with chairman bernanke at c-span.org. we take you live to the white house in just a few minutes. president obama will address the nation on his plans to reduce u.s. troops in afghanistan. a quick look at c-span s primetime schedule following the president s remarks and your reaction at about 8:30 eastern. good evening. nearly 10 years ago, americans suffered the worst attack on our shores since pearl harbor. this mass murder was planned by osama bin laden and his al qaeda network in afghanistan. it signaled a new threat to our security. one in which the targets were no longer soldiers on a battlefield but innocent men, women and children going about their daily lives. in the days that followed, our nation was united as we struck at al qaeda and routed the taliban in afghanistan. been our focus shifted. the second war was launched in iraq and we spend enormous blood and treasure to support a new government