Brazil’s president Dilma Rousseff  with China’s president Xi Jinping at the sixth Brics summit in Fortaleza. Photograph: Nacho Doce/Reuters

Brazil’s President Dilma Rousseff had some reason to be pleased with herself this week.Not only did she host on Monday a successful meeting of the lea(...)

Brazil’s president Dilma Rousseff: communications with several unidentified aides probed by US spy agency.  Photograph: Ueslei Marcelino/Reuters

Brazil’s government summoned the US ambassador to respond to new revelations of US surveillance of president Dilma Rousseff and her senior aides, comp(...)

Russian president Vladimir Putin speaks during closing remarks at the fifth BRICS Summit in Durban. Photograph: Rogan Ward/Reuters

Unfolding events around separate financial dramas playing out on opposite sides of the world this week were a stark reminder, if one was still (...)