The Ezra Klein Show

How an epidemic begins and ends

Introducing season 3 of The Impact! The 2020 candidates have some bold ideas to tackle some of our country's biggest problems, like climate change, the opioid crisis, and unaffordable health care. A lot of their proposals have been tried before, so, in a sense, the results are in. This season, The Impact has those stories: how the big ideas from 2020…