Math on Trump Covid strategy has millions dying before it works

05:10

Rachel Maddow does the math on the herd immunity Covid-19 strategy that Donald Trump has chosen, with the backing of Fox News doctor Scott Atlas, as the way the U.S. will deal with the coronavirus and finds that even with rosy circumstances and granting some leaps Trump makes without the support of science, millions of people would die in the U.S. for it to work.