Farm workera at Lipman Produce load tomatoes on a truck on Jan. 16, 2014 in Naples, Fla. Wal-Mart Stores Inc. joined an initiative that will require its Florida tomato suppliers to increase farm worker pay and protect workers from forced labor and sexual assault, among other things. Wilfredo Lee/AP hide caption

itoggle caption Wilfredo Lee/AP

Demonstrators from the Fast Food Forward rally protest Thursday outside a Wendy's restaurant in New York City. Mary Altaffer/AP hide caption

itoggle caption Mary Altaffer/AP

Supporters of American Crystal Sugar Co. workers, who have been locked out of the company's sugar beet processing plants since 2011, rally in the North Dakota Capitol. Dale Wetzel/AP hide caption

itoggle caption Dale Wetzel/AP