Suddenly, every country in the world has to decide whether or not to close schools to slow the Covid-19 pandemic. France will, as of Monday; the UK won’t, and so on. Within federal systems like the US and Germany, states or school districts have to make the decision. In Germany, tiny Saarland is shuttering its schools, while other states are ...

The US woke up to its first good coronavirus testing news in a while last week, after weeks of hearing about nothing but delays and dangerously inadequate capacity. The Food and Drug Administration announced an emergency authorisation of a Roche Holding AG test that can screen patients substantially faster than existing options. It’s good news for Roche — the approval ...

Three months ago, Ursula von der Leyen, president of the European Commission, announced — to much fanfare — a “Green Deal” to make the EU carbon neutral by 2050. Alas, a few things have happened since, including a pandemic and an oil shock. Together, these unforeseeable events cast doubt over the Green Deal just as it’s supposed to become legislation ...