Rousseff mulls Barbosa, Mercadante for Petrobras chairman - source
December 19, 2014 at 14:05 PM EST
BRASILIA, Dec 19 (Reuters) - Brazilian President Dilma Rousseff is considering Aloizio Mercadante, her chief of staff, or incoming Planning Minister Nelson Barbosa for the position of chairman of state-controlled oil producer Petróleo Brasileiro SA's board, a source with knowledge of the situation said on Friday.