Rousseff's woes mount as Brazilian senator backs impeachment trial

By Anthony Boadle and Maria Carolina Marcello BRASILIA (Reuters) - Brazilian President Dilma Rousseff's chances of remaining in office plummeted on Wednesday after a key senator recommended the leftist leader face an impeachment trial and a top prosecutor said she should be included in a vast corruption investigation. Rousseff, whose popularity has fallen in the last year due in large part to a deepening economic recession, is expected to become the first Brazilian president to fail to complete