U.S. President Barack Obama returns a "shaka" hand sign from a member of the audience as he arrives to sign an executive order to raise the minimum wage for federal contract workers to $10.10 an hour ... more 
U.S. President Barack Obama returns a "shaka" hand sign from a member of the audience as he arrives to sign an executive order to raise the minimum wage for federal contract workers to $10.10 an hour starting next year during an event at the White House in Washington February 12, 2014. The order will affect workers starting on January 1, 2015, and applies to new contracts and replacements for expiring contracts. REUTERS/Kevin Lamarque (UNITED STATES - Tags: POLITICS BUSINESS EMPLOYMENT TPX IMAGES OF THE DAY) less 
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Reuters | Photo By KEVIN LAMARQUE / REUTERS
Wed, Feb 12, 2014 3:09 PM EST