Venezuela thwarts anti-Maduro referendum, foes protest

By Andrew Cawthorne CARACAS (Reuters) - Outraged opposition leaders vowed on Friday to focus their battle to remove socialist President Nicolas Maduro on peaceful street protests after judicial and electoral authorities shot down their drive for a referendum against him. The suspension of the opposition's push for a plebiscite leaves Hugo Chavez's successor on track to complete his term, which ends in early 2019, despite the OPEC nation's crushing economic crisis and his own personal unpopularit