WASHINGTON, DC - JULY 27: Michael Duke, president and CEO of Wal-Mart Stores Inc., testifies before the Senate Finance Committee July 27, 2011 in Washington, DC. The committee heard testimony from ... more 
WASHINGTON, DC - JULY 27: Michael Duke, president and CEO of Wal-Mart Stores Inc., testifies before the Senate Finance Committee July 27, 2011 in Washington, DC. The committee heard testimony from various CEO's on "CEO Perspectives on How the Tax Code Affects Hiring, Businesses and Economic Growth." (Photo by Win McNamee/Getty Images) less 
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Getty Images | Photo By Win McNamee / Getty Images
Wed, Jul 27, 2011 11:26 AM EDT