'The world will be stronger than before:' Bill and Melinda Gates gave a commencement speech to students graduating into a COVID-19 world

· Graduations across the world have been cancelled due to the coronavirus pandemic.
· Bill and Melinda Gates, whose foundation has pledged $250 million to fight the virus, penned a joint commencement speech for the class of 2020 in the Wall Street Journal.
· They acknowledge that the class of 2020 has an extremely difficult...