Buy now, save later: financing vaccine candidates

As clinical trials progress, policymakers must determine how heavily to fund the pre-emptive manufacture of candidate vaccines, and how to distribute the successful ones. Given Britain’s bungled pandemic response, the separatist mood in Scotland has surged to record levels. And travel tips from the vloggers of illegal migration.For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer