The Panama Papers—the massive collection of leaked documents from Mossack Fonseca, a Panamanian law firm that helps set up offshore shell corporations—have already had political consequences. Iceland’s prime minister, Sigmundur David Gunnlaugsson, resigned after the leak revealed that he had partly owned an offshore firm. David Cameron, the British prime minister, is facing criticism over ...

Last week, British Prime Minister Boris Johnson warned of an impending “coronavirus vaccine war” that pits the United Kingdom against Europe. Days earlier, the EU had introduced measures that would halt AstraZeneca vaccine shipments to countries such as the United Kingdom that refuse to export vaccines themselves. “Zero” doses will move across the English Channel ...