In "Chocolate's Child Slaves," CNN…travels into…the Ivory Coast to investigate…children working in the cocoa fields. (Premieres Friday January 20, 8 p.m. GMT, 9 CET on CNN International.) The Harkin-Engel Protocol, a cocoa industry-wide agreement…was written…to end…forced child labor in chocolate by 2005…[a] deadline…[which has been] extended...Becky Anderson interviewed Nick Weatherill, the executive director of the International Cocoa Initiative, about the issue…[Transcript:] Weatherhill: The targets…originally set were very, very ambitious…[but we now understand that] social change and political change…are not overnight processes that can take root…in Cote D’Ivoire. Anderson:…So, it's a failure. Weatherhill: It's not a failure…progress has been made…The new government appears…committed…ten years ago…big companies opening up their supply chains…committing to 100%...responsible sourcing [was unthinkable]…but now...we hope that with all the factors in alignment we will…make much more progress.