A $15 Minimum Wage: The Key to a Healthy Middle Class? Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Fast food workers and activists demonstrate outside the McDonald's corporate campus on May 21, 2014 in Oak Brook, IL. Demonstrators were calling on McDonald's to pay a minimum wage of $15-per hour. ( Scott Olson / Getty ) Produced by Allie Ferguson Produced by PRI and WNYC