When I first saw this question I was some what confused. I thought that the 9/11 terrorist attacks happened on George Bushes watch, but according to Jim Kouri it was Bill Clinton's non-action that contributed to the attacks.  

Here is an except from an article that he wrote for examiner.com where he examines Clinton's record of combating terrorists:

In 1993, President Clinton failed to prevent a bombing at New York City's World Trade Center, and the terrorists succeeded in their WTC attack, killing six and wounding over 100 New Yorkers. In fact, Clinton never even visited the bomb site. And, except for a few arrests, trials and convictions, according to the late John O'Neill, the FBI's top counterterrorism maven, the Clinton Administration refused to follow-up and go after Al-Qaeda.

He also failed to fiercely battle a faction of Al-Qaeda in Somalia right after the so-called Black Hawk Down incident. Clinton hadn't sent in troops with tanks, Bradley armored vehicles and high-tech weapons. He sent them in with Hummers, rifles, grenades and launchers, and other small arms and conventional weapons. And then he ordered a retreat.

Then there was Khobar Towers in Saudi Arabia in 1997, when terrorists succeeded in killing 19 and wounding hundreds American military troops and civilians. There was never any follow-up by Clinton.

In 1998, there were simultaneous attacks on two of our embassies. And then in 1999, the terrorists succeeded in their attack on the US Navy's USS Cole in 1999. Seventeen sailors were killed and scores were wounded. But still Clinton took no action in either attack.

Even Clinton's claim of thwarting the Millennium terrorist attack on LAX airport is a lie. Clinton didn't apprehend that Islamofascist on his way to bomb Los Angeles International Airport. It was achieved by an alert female US Customs agent. Clinton did take credit for it, but the mainstream news media knew that the hardworking Customs agent never received any terrorism alerts and took it upon herself to investigate a suspicious looking character coming across the US-Canadian border.

Yet, our MSM decided to allow Clinton and his flunkies to take credit and the Customs agent has been relegated to relative anonymity. The Customs agent who saved countless lives and property remains unknown in history, but William Jefferson Clinton is being allowed to rewrite history. The only positive thing is that the Clintonistas didn't try to discipline that brave Customs agent for her use of racial profiling.

Even Clinton's own FBI director, Louis Freeh, says the former president let down the American people and the families of victims of the Khobar Towers terror attack in Saudi Arabia. After promising to bring to justice those responsible for the bombing at Khobar Towers -- a bombing that killed 19 and injured hundreds -- Freeh says Clinton refused to personally ask Saudi Crown Prince Abdullah to allow the FBI to question bombing suspects the kingdom had in custody.

So is the evidence overwhelming, or, as my lefty liberal friend(s) might say "What about Bush"? What about Bush?  How many more attacks took place on American soil, or anywhere American interests were during the remainder of his watch?  And was that due to kowtowing to them, or, by standing up to them?