CNBC Exclusive: CNBC Excerpt: U.S. Treasury Secretary Jacob Lew Speaks with CNBC's Steve Liesman

Following is an excerpt from the unofficial transcript of a CNBC EXCLUSIVE interview with CNBC's Steve Liesman and United States Secretary of the Treasury Jacob Lew. The full interview will air tomorrow, Thursday, September 3rd at 6 AM ET on CNBC's " Squawk Box." With CNBC in the U.S., CNBC in Asia Pacific, CNBC in Europe, Middle East and Africa, CNBC World and CNBC HD, CNBC...