The International Monetary Fund's former chief economist says China is violating its rules by keeping its currency artificially undervalued. VOA's Barry Wood reports Michael Mussa says Beijing must revalue its currency for the sake of global economic stability.

Chinese spying in the U.S. represents the greatest threat to U.S. technology, a congressional advisory panel said Thursday and recommended to consider counterintelligence efforts meant to stop China from stealing U.S. manufacturing expertise.