Three university presidents try to answer our listeners’ questions. The result? Not much pomp and a whole lot of circumstance.

Humans have a built-in “negativity bias,” which means we give bad news much more power than good. Would the Covid-19 crisis be an opportune time to reverse this tendency?

We speak with a governor, a former C.D.C. director, a pandemic forecaster, a hard-charging pharmacist, and a pair of economists — who say it’s all about the incentives. (Pandemillions, anyone?)

As a former top adviser to presidents Clinton and Obama, he believes in the power of the federal government. But as former mayor of Chicago, he says that cities are where real problems get solved — especially in the era of Covid-19.

The U.S. spent the past few decades waiting for China to act like the global citizen it said it wanted to be. The waiting may be over.