We also have the ability to check where a particular consignment of coltan comes from: we have a database of the residual elements typical of each known mine and can thus check material, as with a fingerprint.

FORBES: My Nomination For Worst Law Of The Year: Dodd Frank On Conflict Minerals

Also check local thrift and consignment shops.

WSJ: How to Keep Your Prom Budget From Going Bust

The house in Dobbs Ferry had been sold, the bank check deposited, the furniture taken to consignment shops.

NEWYORKER: The Repatriates