AP Photo

In one U.S. Presidential election after another, the media hype the specter of China as an issue of real policy import. It has been two decades, however, since China has been anything more than a blip on a Presidential debate television screen; and frankly, that has been a good thing. Campaigns rarely elevate thinking on substantive issues. This time around, however, China is becoming a genuine political football, tossed around without any clear aim but hard enough to cause some real damage.