Brazil's Rousseff stands by Petrobras CEO, says pessimism overblown
December 22, 2014 at 08:59 AM EST
BRASILIA, Dec 22 (Reuters) - Brazil's President Dilma Rousseff said on Monday that she has no plans to replace the chief executive of state-run oil firm Petrobras, saying there is no evidence that senior management was involved in a high-profile graft scandal at the company.
