Stock markets in New York and London are sitting close to record highs - if the Dow is your guide then we are living in the best of times. But it doesn’t feel like that in the real world, what with the Eurozone crisis, a host of geopolitical uncertainties and frightening levels of global debt. Hardtalk speaks to Neil Woodford, Britain’s most successful investor of recent years. Is this a time for economic confidence, or caution?(Photo: Neil Wooford, head of investment, Woodford Investment Management. BBC copyright)