Continuing a long slog up from the depths of the recession, the U.S. economy added 163,000 nonfarm payroll jobs in July, the Labor Department said this morning. That compares to a downwardly revised 64,000 jobs added in June. But the New York Times reports that no one is popping Champagne corks; the unemployment rate ticked up to 8.3 percent from 8.2 percent.