Edvard Munch's painting "The Scream" is displayed at the Munch Museum in Oslo, May 21, 2008. (AP Photo/Scanpix Norway, Stian Lysberg Solum, File) ** FILE **
US President Barack Obama receives the Nobel Peace Prize during a ceremony in the Main Hall of Oslo City Hall in Oslo, Norway, Thursday, Dec. 10, 2009. (AP Photo/Susan Walsh)
President Barack Obama, with first lady Michelle Obama, enters City Hall in Oslo, Norway to claim his Nobel Peace Prize in 2009. (AP Photo/John McConnico)