MEXICO CITY – First lady Michelle Obama said Wednesday that reducing the demand for illegal drugs needs an approach much broader than just warning young people to stay away from them. "If young people don't have an alternative in their lives, whatever country they're in, they're going to choose drugs, they're going to choose (the) drug trade. That's the way they make money," Mrs. Obama told reporters from six U.S. media outlets after a speech to several thousand young people during her first international trip as first lady. But she left the issue out of her public remarks in...