Bernanke warns that meddling with Fed's monetary policy cause harm economy

http://www.youtube.com/watch?v=_ks3xDmG8jA&eurl=http%3A%2F%2Fwww%2Eronpaulforums%2Ecom%2Fshowthread%2Ephp%3Ft%3D197461&feature=player_embedded