PBS Newshour: Venezuela unrest could be ‘building block’ for opposition to make substantive change

Less than a year has passed since the death of Hugo Chavez and the election of President Nicolas Maduro, but the problems driving unrest in Venezuela have been building for a decade. Carl Meacham of the Center for Strategic and International Studies joins Gwen Ifill to offer background on the “snowballing” of anti-government sentiment and why neighboring countries have been shy to speak out.