I love arguing about politics. For a little bit of background, I'm an International Relations major... Grew up in Europe, and my parents are extremely liberal...
One of the main arguments against the president/America is that we are disliked because of this superiority "complex" in which we feel like we have to be the world superpower. So if there were to be another large attack, while the president might get more support, i think that even more people would just come out and criticize him for whatever he did to make someone want to attack us. In the end, we cant win. the power dynamics of the international system require there to be one superpower, and if the US wasnt it, it would be some other country such as china... and boy would that be interesting! so while we are criticized for thinking that the whole world revolves around us, when it comes down to it.... this is the truth. if the US decided to withdraw our military from foreign countries, all hell would break loose and we would be criticized even more.
I've told my parents that if there is another 9/11 type attack, that i'm enlisting... so while i support the president currently, it would take something extreme to get me to drop out of college to go and PHYSICALLY support him.
(note, i think bush is really stupid, and the wrong man for the job. BUT, he is our president, and it is our obligation to support him unless there is something we can do to fix it. The democrats are so quick to criticize, but never offer any feasible solution!)