As crisis escalates, Venezuela's Maduro may meet opposition

By Andrew Cawthorne and Daniel Kai CARACAS (Reuters) - Venezuela's President Nicolas Maduro was expected to sit down on Sunday with members of the opposition and foreign mediators, a gesture his foes suspect is a time-wasting tactic to ease pressure on the unpopular socialist leader. The opposition Democratic Unity coalition has stepped up protests since authorities scuttled its push for a referendum this year on Maduro's rule, which polls showed he would have lost, triggering a presidential ele