Nobel Peace Prize laureate US President Barack Obama (C) and first lady Michelle Obama are greeted by Norwegian King Harald at the Royal Castle in Oslo December 10, 2009.[Agencies]

Nobel Peace Prize laureate U.S. President Barack Obama (3rd L) and his wife Michelle (2nd L) pose for a picture with Norway's Queen Sonja, King Harald, Crown Princess Mette-Marit and Crown Prince Haakon (L-R) at the Royal Palace, prior to the Nobel ceremony at the City Hall, in Oslo December 10, 2009.[Agencies]