In this Saturday, Jan. 19, 2013, photo, a waitress brings a cart of dim sum to a table of customers at Chatham Square Restaurant in the Chinatown neighborhood of New York. Growth at

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In this Saturday, Jan. 19, 2013, photo, a waitress brings a cart of dim sum to a table of customers at Chatham Square Restaurant in the Chinatown neighborhood of New York. Growth at U.S. service companies slowed slightly in January behind weaker new orders and business activity. But hiring improved, a bright sign for the economy. (AP Photo/Mark Lennihan) less