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BRASILIA, Dec 18 (Reuters) - President Dilma Rousseff has picked Planning Minister Nelson Barbosa, a leftist economist and her close aide, as Brazil's new finance minister and the announcement will be made later on Friday, a senior government official told Reuters.
Current Finance Minister Joaquim Levy is stepping down over a series of disagreements with Rousseff on economic policies. (Reporting by Lisandra Paraguassu; Writing by Alonso Soto)