Brazil will get more than $400 billion in royalties and crude oil over the next 35 years from its share of the massive Libra offshore oil prospect, President Dilma Rousseff said Tuesday. In her weekly question-and-answer column with Brazilians, Ms. Rousseff said that new production-sharing agreements for Brazil’s offshore oil discoveries ensured the country’s “sovereignty over this treasure, with great benefits for the population and our economy.” Ms. Rousseff’s administration has faced criticism from Brazilians who viewed the sale of the field as delivering Brazil’s natural resources into the hands of foreign companies. Protests marred the October auction, which featured heavy security by soldiers who fired tear gas in an attempt to disperse the crowd gathered outside the hotel where the sale was held. But the auction also generated lukewarm interest from private-sector companies that balked at the terms of the production-sharing agreements and heavy government oversight […]