How Did a Small Group Do This?A very interesting study appeared last week by two researchers looking into the pandemic policy response around the world. They are Drs. Eran Bendavid and Chirag Patel of Stanford and Harvard, respectively. Their ambition was straightforward. They wanted to examine the effects of government policy on the virus. In this ambition, after all, researchers have access to an unprecedented amount of information. We have global data on strategies and stringencies. We have global data on infections and mortality. We can look at it all according to the timeline. We have precise dating of stay-at-home...