US President Donald Trump signed a landmark pact with visiting Australian Prime Minister Anthony Albanese to boost America’s access to rare earths and other critical minerals, an effort to counter China’s tight grip on the supply chains of key metals. Dr. Gracelin Baskaran, Director of the Critical Minerals Security Program at the Center for Strategic and International Studies, discusses the broader significance of the pact with Carol Massar and Tim Stenovec on Bloomberg Businessweek Daily.