Responsibility to Protect
When a state poses an international threat to security or an internal threat to the freedom of its people, the international community has the responsibility to intervene and protect human rights and international security. This choice requires a robust forward presence of the US military. Additionally, you, as President Bush, would alert the international community to an American commitment to protecting ideals of human rights and security.
As President George W. Bush, you have made a series of choices dealing with America's counter-terrorism policies. Let's analyze your choices and their implications.
Your decision to fight two large conventional wars in the Middle East was problematic. The US will suffer thousands upon thousands of casualties and rack up trillions in debt. The Afghanistan mission will only be half successful. The US will drive out the Taliban, but the Afghani government will not be able to sufficiently secure their sovereignty. The Iraqi mission will also only be half successful. Saddam Hussein will be disposed of, but Iraq will slip into long-term instability and serve as a safe haven for future terrorists (ISIS).
That being said, you will minimize al-Qaeda's capabilities as a terrorist organization (even if other groups may thrive later on as a result of the blowback effect of US interventionism). Additionally, Iraq will not be able to provide terrorist organizations with WMDs. Other potential state distributors of WMDs will view the American threat of intervention as credible.
Illustrating American commitment to the Responsibility to Protect will boost American credibility among its allies. This approach will also allow the US to pre-emptively exert force to stop terrorist organizations from gaining power. The war on terror will likely never end, but America will be able to minimize the probability that a terrorist attack on American soil is successful.
The issues of terrorism and weak/failed states do not have easy solutions, but you have done a fair job. You have sufficiently dealt with the threat of terrorism. Furthermore, you have assuaged the American public and will get re-elected in 2004. However, the wars will be catastrophic, costly, and lengthy.