It is quite common these days to place the blame for many of America's economic ills on the rest of the world (and especially on China). The specious nature of many of the arguments put forth in this regard by US politicians (and even a few American economists) is highlighted in this must-read piece by Yale economist Stephen Roach:
http://www.project-syndicate.org/commentary/america-s-bipartisan-mistakes-about-china-by-stephen-s--roach