U.S. Trade Representative Katherine Tai spoke with the top executives of Pfizer and AstraZeneca on Monday about a proposed waiver of obligations to the Agreement on Trade-Related Aspects of Intellectual Property, where the ambassador expressed “deep sympathy” for the people of India, where COVID-19 deaths have reached alarming rates in recent days. Tai spoke with Pfizer CEO Albert Bourla and AstraZeneca Executive Vice President and Head of U.S. Business Ruud Dobber on Monday evening about “increasing vaccine production, global health...