A fight is brewing in Europe over new rules for companies to report on so-called "conflict minerals", which are commonly found in mobile phones, laptops, lightbulbs and jewellery...Campaigners say the proposals do not go far enough and the European parliament has missed an opportunity to tackle the issue of minerals sourced from conflict zones...On the other side of the debate, industry insiders say a mandatory reporting scheme would be costly and would harm the competitiveness of EU products... One way of tackling that issue would be to make reporting mandatory for all European companies trading in these minerals, not just the smelters... [Refers to Apple]