Zakaria argues the organization behind the attacks, al Qaeda, has been greatly diminished by the U.S. response to 9/11 and by growing opposition to the group in the Muslim world:
"All these trends have worked to further diminish the threat al Qaeda poses to us. We're in a strange situation where the right doesn't want to acknowledge it because it would suggest we don't need to be in quite this much of a war footing and ... the left seems reluctant to accept some of this because it suggests that, God forbid, George W. Bush might have done something right.
"As a result of our political dysfunction, we have lost the ability to have a rational conversation about 9/11," Zakaria said.
The author and host of CNN's "Fareed Zakaria GPS" spoke to CNN on Wednesday. Here is an edited transcript: Fist tap Arnach