Read MoreWe must begin by acknowledging the hard truth that we will not eradicate violent conflict in our lifetimes. There will be times when nations - acting individually or in concert - will find the use of force not only necessary but morally justified.
Obama's surprising Nobel speech
Fresh on the heels of announcing more troops for Afghanistan and snubbing the Norwegian King, President Obama delivered a surprising speech accepting his Nobel Prize. He acknowledges that many have regarded the prize as undeserved, and went on to deliver a speech that must have left his left base upset. He actually defended the use of force: