Where will it end? Venezuela's downward spiral (part 2)

Where will it all end in Venezuela? This Wednesday sees a day of duelling demonstrations with mass rallies by the opposition after several weeks of sometimes deadly protests. Meanwhile, there are accusations of a Washington-fuelled coup plot, plans to arm pro-government militias and this week's loyalty oath by the army’s chief-of-staff. How to stop the spiral in an oil-rich nation beset by hyperinflation and mass shortages of food, medicine, electricity and more? How should the region react?