Why President-elect Joe Biden has tapped Janet Yellen to be the first female treasury secretary. And the covid-19 prevention methods at Santa’s North Pole.

Is $900 billion too little too late?

Post Reports is the daily podcast from The Washington Post. Unparalleled reporting. Expert insight. Clear analysis. Everything you’ve come to expect from the newsroom of The Post, for your ears. Martine Powers and Elahe Izadi are your hosts, asking the questions you didn’t know you wanted answered. Published weekdays around 5 p.m. Eastern time.