The Group of Twenty (G20) is the premier forum for international economic cooperation – and a pivotal place for decisions as the world grapples with the problems of Coronavirus. Its members (including the US, EU and China) represent over 80 percent of the world’s economic output. Credited for its work responding to the 2008 financial crisis, the G20 is a major player. Can the group come together in 2020 to make key decisions?