Rousseff impeachment session starts in high tension

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 came to a head in the capital Brasilia where the lower house of Congress was to vote on whether to authorize an impeac