Brazil's Rousseff struggling to limit Petrobras scandal's damage
November 21, 2014 at 13:00 PM EST
SAO PAULO/BRASILIA, Nov 21 (Reuters) - President Dilma Rousseff expects a bribery scandal at state-run oil company Petrobras to deteriorate in coming months, aides say, with arrests possible for some political allies and potentially serious damage to an economy that is already struggling.