First lady Michelle Obama applauds her husband, Nobel Peace Prize laureate U.S. President Barack Obama after he received the Nobel Peace Prize at the Oslo City Hall December 10, 2009. The United States must uphold moral standards when waging wars that are necessary and justified, Obama said on Thursday as he accepted the Nobel Prize for Peace. REUTERS/Bjourn Sigurdson/Scanpix Norway (NORWAY POLITICS) NORWAY OUT. NO COMMERCIAL OR EDITORIAL SALES IN NORWAY. NO COMMERCIAL OR BOOK SALES. NORWAY OUT. NO COMMERCIAL OR EDITORIAL SALES IN NORWAY