NEW : Protesters demonstrate outside venue ; Norway spent $ 60 million on security . ` ` victims of war do have a role to play in keeping the peace , '' Obama says . ` The instruments of war do have a role to play in preserving the peace , '' he said . President Obama presents the prize during ceremony in Oslo , Norway . Obama acknowledges others who have been more deserving .
NEW : Protesters demonstrate outside venue ; Norway spent $ 60 million on security . ` ` victims of war do have a role to play in keeping the peace , '' Obama says . President Obama presents the prize during ceremony in Oslo , Norway . Obama acknowledges others who have been more deserving .