Activists hold signs outside a McDonald's restaurant in Los Angeles, California during a protest demanding better wages for fast-food workers September 4, 2014. Fast-food workers in 150 U.S. cities kicked off protests for a $15-per-hour wage that included a sit-down in New York's Times Square, where 19 demonstrators were arrested on Thursday, police said. REUTERS/Mario Anzuoni (UNITED STATES - Tags: BUSINESS EMPLOYMENT FOOD)