Weaker currencies abroad mean a strong dollar, and a stronger dollar, together with a weak global environment, is a drag on the U.S. economy. So it's important, as it affects overall levels of production and employment in the U.S. There are many domestic industries doing well in the United States, notwithstanding a strong dollar.
Ben BernankeThe risk exists that, with aggregate demand exhibiting considerable momentum, output could overshoot its sustainable path, leading ultimately in the absence of countervailing monetary policy action to further upward pressure on inflation.
Ben Bernanke