In a time of pandemic when good news is scarce, the idea that somebody is doing better than you could be a cause for, if not for celebration, then at least for a self-interested inquiry. But not when it comes to Moscow and Washington. When Russia and other countries post much, much lower Covid-19 mortality rates than the United States, are there other plausible explanations? Except, naturally, the cooking of numbers? To discuss this, Oksana is joined by Robert Heimer, Professor of Epidemiology of Microbial Diseases at the Yale School of Public Health.