8 February 2012
Last updated at 11:29
Article written by Mark Mardell
Mark Mardell
Presenter, The World This Weekend
Background
Features and Analysis
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18 minutes with Obama
Andrew Marr reveals what it's like to interview the world's most powerful man
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Late race
Why are so few Republicans ready to take on Obama?
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Also in the running
Who will Obama face in next year's election?
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Across the Pond
Obama jaunt: Where do US presidents go in the UK?
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Barack O'Bama
Why are US presidents so keen to be Irish?
~RS~q~RS~~RS~z~RS~57~RS~)

Obama 'will act to stop attacks'
Obama on Taliban in Afghanistan
'Queen symbolises best of England'
Obama calls for 1967 border debate
Analysing Obama's BBC interview
Afghans 'back Obama on Taliban talks'
Obama to make state visit to UK
Obama retracing his Irish roots
18 minutes with Obama
Late race
Also in the running
Across the Pond
Barack O'Bama