The big question at OPEC: is the oil market oversupplied?

Oil demand is weakening, and the price of crude oil has hit a five-month low, approaching $100 a barrel. The 149th OPEC conference runs through Wednesday, with the bulk of sessions happening today. Most ministers want to keep oil production unchanged, but if demand continues to weaken, they may have to make difficult decisions. Guest: Carola Hoyos, chief energy correspondent for the Financial Times