I vote for: "Look up."
"... we cannot defeat them by means short of absolute destruction of them and their armies of "martyrs," because any appeasement, any forbearance, will be interpreted by them as victory and proof that God wants them to continue."
The answer is absolute military defeat of our enemies which in this case means a lot of destruction not only in Iraq, but in Syria and Iran and Lebanon, too. I like the recent analysis by Norm Podhoretz published online in Insight Mag. The future of America, the time-line for victory, and the length of World War IV, depends partially upon the outcome of this November's Presidential election. The endgame is not in doubt - the only question is how expensive (in terms of US lives and money) its going to be and how long its going to take. The latter depends on the courage of US leadership and the determination of the US citizenry.