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US Added 157000 Jobs in July; Unemployment Rate Slips to 3.9%  New York TimesUS Hiring Cools Slightly in July, Unemployment Rate Falls  Wall Street JournalPayrolls rise 157000, missing expectations, but overall picture still strong  CNBCUS Economy Surges To A 4.1 Percent Growth Pace In 2nd Quarter  NPRFull coverage |