The United States will soon have more Covid-19 vaccines than it needs to inoculate its own people. The surplus ought to go to developing countries. And, to turn a slogan on its head, the priority should be Mexico First.
A vaccine surplus is hard to imagine. The dominant narrative of the pandemic has been one of scarcity. From personal protective equipment to ventilators and Covid tests to the rollout of the vaccine itself, we never seem to have enough.