Stephen Sackur talks to David Smolansky, an anti-regime activist who was the mayor of a district in Caracas until he fled the country to escape a jail term for aiding 2017's street protests. There was a time in 2017 when it seemed President Maduro's grip on power in Venezuela was loosening. Yet here we are two months away from a presidential election with Maduro oozing confidence and his opponents seemingly in disarray. Why does Venezuela's opposition so consistently promise more than it delivers? Show less