Intel had already promised that it would avoid using conflict minerals, and now it's giving itself a more concrete timetable for that to happen. It wants to have at least one processor that's proven completely conflict-free across four key minerals -- gold, tantalum, tin and tungsten -- by the end of 2013. Lest you think Intel's not taking swift enough action, it wants to reach the tantalum goal by the end of this year. The effort's part of a wider array of goals that should cut back on the energ
