In 2006, little known economics professor Nouriel Roubini warned that the US housing market was at risk of collapsing. Fast forward two years and it did, triggering the global financial crisis. Roubini, now known is Dr Doom is forecasting another economic depression, contradicting the consensus view the recovery from Covid-19 will be V-shaped. Dr Adrian Saville, CEO of Cannon Asset Managers joins CNBC Africa for more.