by Natalia RAMOS SAO PAULO , Brazil (AFP) — Brazil’s embattled leftist President Dilma Rousseff vowed at a protest Sunday to go down fighting ahead of what could be her final full week in power before impeachment. Thousands of people attended May Day rallies organized by labor unions in cities across Latin America’s biggest country, with Rousseff telling a crowd in the financial powerhouse Sao Paulo that she would “fight to the end.” The traditional […]