TOPSHOT - (FILES) In this file photo taken on September 18, 2018, a McDonald's employee holds a sign during a protest against sexual harassment in the workplace, in Chicago, Illinois. - McDonald's workers filed dozens of new sexual harassment charges against the fast food giant, advocates said on May 21, 2019, escalating a years-long battle for unionization in the US and stronger worker protections. (Photo by Joshua Lott / AFP)