Government and business leaders have urged cooperation on the world’s biggest issues – climate change, the coronavirus pandemic and the economic recovery – at the World Economic Forum’s virtual gathering. Speeches and discussions from the likes of Chinese President Xi Jinping and U.N. Secretary-General Antonio Guterres moved online this week after Covid-19 concerns delayed the forum’s annual meeting in Davos, Switzerland. Critics regularly fault the Davos event for hosting elites touting high-minded but often empty goals deemed out of touch with regular people. As usual, big ideas were debated, but no concrete deals emerged. The forum announced Friday that it...