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