July 21, 2019

On this edition for Sunday, July 21, heat emergencies along the East Coast amid record high temperatures as the Midwest sees relief, Puerto Ricans continue to call for the U.S. territory's governor to step down, heightened tensions over Iran’s seizure of a British tanker, and documenting the plight of marginalized Americans after a job on Wall Street. Hari Sreenivasan anchors from New York.