So Carl Cannon for Real Clear Politics, here:
In 1941 and 2001 – and in 1812, for that matter – the United States of America proved itself strong enough to withstand attacks on our soil while retaining our attachment to brass-knuckles domestic politics. To be puckish about it, if you can’t run a negative ad, the terrorists win.
Remember that the next time someone tells you that you can't criticize the commander in chief during a time of war. Tyranny isn't only a foreign phenomenon.