► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />FT chief economics commentator Martin Wolf discusses global debt sustainability with Gavyn Davies, chairman of Fulcrum Asset Management. They point out the improving situation in the US and UK, but are concerned about the eurozone periphery and China.<br /><br />► FT World News: http://bit.ly/1Exp0iJ<br /><br />► FT Business: http://bit.ly/1KUK08s<br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes