Venezuela opposition calls nationwide strike against Maduro

Venezuela's opposition called a nationwide strike for Thursday to press President Nicolas Maduro to back off a rewriting of the constitution, ratcheting up tensions after an unofficial vote rejecting Maduro's plan and amid months of deadly protests.The strike call, issued on Monday, was part of what the opposition called a "final offensive" aimed at forcing Maduro out through early elections before his term ends in 2019.On Sunday, in an event organized by the opposition, more than a third of Ven