His work out of the gate in setting his sights at limiting nuclear weaponry, extending his hand to the Middle East, cancelled the Missile shield bullshit, work on the Palestinian-Israel conflict, Talking to Iran, Back at the negotiating table with N. Korea, Reassessment of Afghanistan, Withdrawing from Iraq, in the middle of closing Gitmo, promising no more torture, raprochement to Russia, repaired our alliance with Europe, battling American racism with grace....and increased the goodwill of the US by a whole bunch in the eyes of the world, and has given millions of people a lot of hope, something many had lost altogether!

and it keeps him working towards peace....so this prize is going to be valuable to the entire world!