The G20 in Argentina needs to address its own failings as well as the many problems facing the global economy

Argentina’s laudable attempts to raise issues vital to Latin America and the wider developing world are likely to fall on deaf ears. But, if the G20 is going to stop drifting from summit to summit and get to grips with genuinely global challenges, it needs to establish a modest but permanent secretariat and appoint an influential secretary-general, writes Tony Payne (SPERI) in this special post published jointly with speri.comment.