Brazil's largest party closer to backing impeachment after protests

By Anthony Boadle BRASILIA (Reuters) - Record protests against President Dilma Rousseff have all but guaranteed her impeachment by pushing hesitant lawmakers from Brazil's biggest party now to favor her ouster, party sources said on Monday. The Brazilian Democratic Movement Party (PMDB), the biggest partner in Rousseff's governing coalition, is poised to vote against her in ongoing proceedings in Congress to impeach the president, who is beset by a corruption scandal and an economy suffering its