By Alex Friedman and Julie SunderlandCODY, Wyoming — Bill and Melinda Gates are getting divorced, and the world can’t stop talking about it. Ever since the news broke, the press and social media have been abuzz with speculation about what ended their 27-year marriage.

By Emmanuel Macron, Paul Kagame, Cyril Ramphosa and Macky SallPARIS — The COVID-19 pandemic has taught us that we can no longer treat seemingly faraway crises as distant problems. What happens anywhere can affect people everywhere.

By Andrew Sheng and Xiao GengHONG KONG — In 1944, Friedrich A. Hayek suggested that the spontaneous order of markets was inherently superior to the supposedly dynamism-draining totalitarian order of communist or fascist regimes.

By Michael Kremer and Edward Miguel BERKELEY/CHICAGO — US President Joe Biden’s decision to back the call for waiving intellectual-property protections for COVID-19 vaccines reflects the extent of global pressure for universal vaccine access.

By Michele Goodwin and Gregory ShafferIRVINE, CALIFORNIA — The COVID-19 pandemic continues to reveal shocking underlying infrastructural inequalities around the world.

By Akim Mohamed Daouda, Uche Orji and Mamadou Mbaye LIBREVILLE/ABUJA/DJIBOUTI — On May 18, African heads of state, European leaders, and representatives of international institutions will gather in Paris for a summit on financing African economies.

By Deirdre Nansen McCloskey and Alberto MingardiCHICAGO/MILAN — As COVID-19 vaccines are rolled out, only some parts of the world can breathe a sigh of relief.

By Palitha Abeykoon, Maha El Rabbat and David NabarroGENEVA — As special envoys on COVID-19 for the director-general of the World Health Organisation, we have witnessed firsthand the intensity of the suffering caused by the pandemic, especially in poorer communities.

By Joseph E. Stiglitz and Lori WallachNEW YORK — The only way to end the COVID-19 pandemic is to immunise enough people worldwide. The slogan “no one is safe until we are all safe” captures the epidemiological reality we face.