(Bloomberg Businessweek) -- When pandemic lockdowns cut face-to-face contact, business schools—much like the companies they supply with newly minted MBAs—turned to Zoom. The shift online for learning, guest visits, and keeping in touch with alumni has proved fruitful. “You get to create a hybrid environment where some people can join by Zoom and others are staying in person,” says Ilian Mihov, dean of Insead, in Fontainebleau, France...