Chaotic scenes as Rousseff impeachment session starts

Brasília (AFP) - Brazilian lawmakers fought and shouted at the opening of a session Sunday to decide whether President Dilma Rousseff should face impeachment, in a political showdown watched by millions around the deeply divided Latin American powerhouse. Months of rancorous debate that have seen Rousseff's ruling coalition collapse and prompted huge street demonstrations were coming to a head in the capital Brasilia where the lower house of Congress was to vote on whether to authorize an