Global justice advocates are urging U.S.-based companies that profit from chocolate and gold sales on Valentine's Day to do more to help the people and the environment where the key ingredients for their goods are originally produced. A coalition of human rights and development groups, led by California-based Global Exchange, is meeting Friday with executives at the headquarters of M&M/Mars at the company's headquarters near Washington, D.C. to ask them to start selling Fair Trade-certified chocolate--so that West African cocoa farmers won't need to use abusive child labor to make an adequate living. The meeting is part of a national...