We're not all Jamie Dimon. That guy sidestepped strict quarantine rules on his trip to Hong Kong this fall because of who he is. The rest of us must jump through all kinds of hoops to cross borders. Certain obstacles that came about because of Covid will fade as the pandemic ebbs, while others outlive it. In some cases, Covid accelerated pre-existing trends in global mobility. How easy it will be to travel to and work in another . . .