The Obama Doctrine - Political Punch: "'We must begin by acknowledging the hard truth: we will not eradicate violent conflict in our lifetimes,' he said. 'There will be times when nations -- acting individually or in concert -- will find the use of force not only necessary but morally justified. As someone who stands here as a direct consequence of Dr. King's life work, I am living testimony to the moral force of non-violence. I know there's nothing weak -- nothing passive -- nothing naive -- in the creed and lives of Gandhi and King, but as a head of state sworn to protect and defend my nation, I cannot be guided by their examples alone. I face the world as it is, and cannot stand idle in the face of threats to the American people. For make no mistake: evil does exist in the world. A non-violent movement could not have halted Hitler's armies. Negotiations cannot convince al Qaeda's leaders to lay down their arms.'"