FACT CHECK: China's manipulation of its currency has been a political hot potato for years, and Mitt Romney brought it up again tonight, promising to formally label China a currency manipulator. However, concerns over currency manipulation have eased somewhat recently. Since 2009, the value of China’s currency has risen by 11 percent against the dollar, when inflation rates in the two countries are factored in, making US goods slightly more competitive and China’s slightly less so. by Alan Wirzbicki 10/23/2012 2:23:36 AM