Impeachment crisis rattles divided Brazil

A deepening political crisis that has sparked angry street protests laid bare sharp divisions in Brazil Saturday as President Dilma Rousseff risked impeachment and her predecessor faced a criminal lawsuit. Street rallies have rocked Brazil over recent days, just months before it hosts the Olympics in August, with riot police firing stun grenades and water cannons to disperse demonstrators. Rousseff's enemies are trying to drive her from power while her supporters accuse them of attempting a "cou