In mid-April, 69 percent of 2,394 registered U.S. voters polled said it is “necessary†to develop a coronavirus vaccine “before we reopen the economy.†Politicians are beginning to shift the goalposts in this direction as well, from “flattening the curve†to avoid overwhelming hospitals with COVID-19 patients to restricting social and economic activity “until we have a vaccine.â€For example, Gov. Gavin Newsom said Tuesday that Californians will not be allowed to get “back to normal…until we get to immunity and a vaccine.†This while he unveiled “Depression era†job losses that have already cost California taxpayers billions in unemployment...