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President Barack Obama has called on Congress to approve an overhaul of the US regulatory regime. In a speech marking one year since the collapse of Lehman Brothers bank, he also mounted a vigorous defense of his administration’s economic policies. We hear some of the President’s remarks, and speak with BBC Economics Correspondent Andrew Walker.

• Latest BBC Coverage
• The BBC’s Aftershock Series
• Audio Slideshow: Lehman’s Last Day

See also

• September 14, 2009 -- Wall Street still central to global economy
• July 9, 2009 -- Ghanaians Await President Obama
• June 18, 2009 -- President Obama’s Plan to Overhaul Financial Rules
• June 9, 2009 -- US Troops in Afghanistan’s Helmand province