TOPSHOT - Brazil's President Michel Temer holds a press conference on the sidelines of the G20 Leaders Summit in Hangzhou, in China's eastern Zhejiang province on September 4, 2016. G20 leaders confront a sluggish global economy and the winds of populism as they open annual talks, but the long war in Syria and the South China Sea territorial dispute hang over the summit. / AFP PHOTO / GREG BAKERGREG BAKER/AFP/Getty Images