Pushing workers only goes so far, says one long-time human resources manager. iStockphoto.com hide caption

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A Western motif greets visitors to the Cowboy Church of Ellis County, in Waxahachie, Texas. About 1,700 people attend the church on Sundays. Matt Slocum/AP hide caption

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U.S. Secretary of State John Kerry delivers a statement about the use of chemical weapons in Syria at the Department of State last week. Chip Somodevilla/Getty Images hide caption

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The inaugural class of the Computer Science and Information Technology program, scheduled to graduate in 2016. Hartnell College hide caption

itoggle caption Hartnell College

Dockside at Carlos 'n Charlie's on Lake Travis. Pete Clark hide caption

itoggle caption Pete Clark

Jill Biden thanks teachers during a 2010 meeting at Ft. Belvoir Elementary School in Virginia. Cherie Cullen/ASSOCIATED PRESS hide caption

itoggle caption Cherie Cullen/ASSOCIATED PRESS