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. To say that force may sometimes be necessary is not a call to cynicism - it is a recognition of history; the imperfections of man and the limits of reason.
Barack ObamaIf we can't meet with our friends, I don't know how we're going to lead the world in terms of dealing with critical issues like terrorism.
Barack Obama