Demonstrators clash with police during a protest at McDonald's headquarters in Oak Brook, Illinois, May 21, 2014. Workers were calling for higher wages and better work conditions. REUTERS/Jim Young ... more 
Demonstrators clash with police during a protest at McDonald's headquarters in Oak Brook, Illinois, May 21, 2014. Workers were calling for higher wages and better work conditions. REUTERS/Jim Young (UNITED STATES - Tags: BUSINESS EMPLOYMENT CIVIL UNREST POLITICS) less 
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Reuters | Photo By JIM YOUNG / REUTERS
Wed, May 21, 2014 4:16 PM EDT