Fmr. US Treasury Sec. Jack Lew on China's devaluation of the yuan
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Fmr. US Treasury Sec. Jack Lew on China's devaluation of the yuan

Jack Lew, former U.S. Treasury secretary, joins CNBC's "Closing Bell" to give his take on China's recent currency devaluation and the state of current trade tensions.
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Wed, Aug 7 20194:50 PM EDT