A new strain of Covid-19, more contagious than previous strains, is now circulating in dozens of countries. Other new strains, such as one first detected in South Africa, will almost certainly emerge. Aside from the challenges these mutations pose to public health, they will also be a test of our moral and political principles.
As Bitcoin soared to above $28,000 over the weekend, talk resumed about the promising and dramatic future of cryptocurrency. The chief global strategist of Morgan Stanley Investment Management even suggested that Bitcoin could replace the dollar as a global reserve currency.