>> matt runci: source of origin is not yet a part of the council's framework. >> pelley: how do you keep american jewelry stores? >> runci: one needs to know where the sources of controversy are if one is to try to prevent those sources from getting into the legitimate supply train. >> pelley: it's been pretty well known for a long time where the sources of controversy are in congo. >> runci: well, in the eastern province, yes, it has. >> pelley: jewelers know about the tragedy in congo, but it's never been standard industry practice to trace gold to its source. jewelers buy gold from middlemen; they don't ask where it comes from. it was seven years ago the industry banned so-called "blood diamonds" from west africa, but, up till now, it hasn't done the same for gold. >> runci: banning the gold is a noble goal, but one that requires, i think, some thoughtful consideration, and a positive engagement between stakeholders, governments and industry to bring to achievement. and the industry stands ready to work with stakeholders and with government to achieve that end. >> pelley: what's to ta