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Here's why the U.S. and China aren't close to closing a trade deal

U.S. Commerce Secretary Wilbur Ross says the U.S. and China won't sign a formal trade deal with China before the beginning of the new year. Yahoo Finance's Brian Cheung reports. Plus, Philip Levy, former White House trade economist under George W. Bush, joins Yahoo Finance's Julie Hyman, Adam Shapiro and Andy Serwer with three reasons why a trade deal won't come out of the G20 summit.