Since 1998, more than 5 million people have died in the Democratic Republic of Congo in what has been described as the deadliest documented conflict in African history. Much of the fighting has been over precious minerals including tantalum, tin, tungsten and gold. Tantalum has become a precious commodity in the digital age – it’s found in cellphones, DVD players, laptops and hard drives. Human rights groups have long pushed for mandatory labeling of so-called “conflict minerals” in order to allow consumers and investors to avoid fueling the bloody conflict through the purchase of their products. The mandatory disclosure policy became law as part of the 2010 Dodd-Frank Wall Street Reform Act. But this week a federal appeals court ruled the Securities and Exchange Commission cannot force companies to disclose whether minerals come from the Democratic Republic of Congo because the mandatory labeling would violate the companies’ freedom of speech. We speak to Zorka Milin, senior legal adviser with Global Witness. Please check back later for full transcript.