GENEVA (Reuters) – Ministers from across the globe are convening for a conference at the World Trade Organization in Geneva for the first time in more than four years from June 12-15. It comes at a critical juncture for the body and for global trade. The meeting, delayed twice by COVID-19, is a chance for the 27-year-old body to prove it can respond to what Director-General Ngozi Okonjo-Iweala has described as a “polycrisis” of economic, health, environmental and security challenges. Nobody expects a package of deals but Okonjo-Iweala has urged negotiators to work continually to get “at least …