What's standing in the way of a Ukraine-US minerals deal

Ukrainian officials flew to Washington on Wednesday with high hopes. They thought they might finally sign a long-awaited deal with the US to develop Ukraine's mineral, oil and gas resources. Ukraine and the US were originally expected to sign the agreement back in February, until a public argument erupted in the Oval Office. Gracelin Baskaran, director of the Critical Minerals Security Program at the Center for Strategic and International Studies, discusses the roadblocks to an agreement with The World's Carolyn Beeler.