Venture capitalist Nick Hanauer, with Elise Gould, argues that a robust economy relies on large numbers of innovators and affluent consumers — and that too much inequality prevents too many Americans from joining those groups. Samuel LaHoz/Intelligence Squared U.S. hide caption

itoggle caption Samuel LaHoz/Intelligence Squared U.S.

A photo taken Sunday of Kaci Hickox in an isolation tent at University Hospital in Newark, N.J. Hickox, who was later discharged and allowed to return to her home in Maine, says she has no intention of abiding by a "voluntary" quarantine there. Steven Hyman/AP hide caption

itoggle caption Steven Hyman/AP