American banks may have returned to profitability, but the effects of the sub-prime mortgage crisis remain in thousands of communities across America in the form of repossessed and dilapidated homes.
Simon Schama looks at the challenges facing Barack Obama, one year after he came to power.
Obama's America is on BBC Two on Tue 12 and Thu 14 January at 2100 GMT or afterwards at BBC iPlayer
One-Minute World News 
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