China's policy of intervening in currency markets to limit or halt the appreciation of its currency, the renminbi (RMB), against the U.S. dollar and other currencies has become an issue of concern for many in Congress. Critics charge that China's currency policy is intended to make its exports significantly less expensive, and its imports more expensive, than would occur if the RMB were a freely-traded currency. They contend that the RMB is significantly undervalued against the dollar and that this has been a major contributor to the large annual U.S. trade deficits with China and the loss of...