UPDATE: India halts vaccine exports

India has placed a temporary hold on all exports of the Oxford-AstraZeneca coronavirus vaccine. We speak to Prashant Yadav from the Centre for Global Development about what's causing the squeeze and what it could mean for the global vaccination effort. The Suez Canal, which carries 10% of global trade, has been blocked by a container ship.LoriAnn Larocco, the author of Trade War - Containers Don't Lie: Navigating the Bluster explains the global ramifacations of the blocakge