Venezuelans cast ballots in opposition vote

Venezuela's opposition kicked off a symbolic vote on Sunday seen likely to reject plans by President Nicolas Maduro to rewrite the constitution, upping pressure on the beleaguered leader after months of violent street protests.The call to polls -- described as a "plebiscite" by the opposition, but "illegal" by the government -- is over Maduro's intention to have a citizens' body elected to redraft the country's basic law.To detract from the opposition vote, his government was on Sunday holding a