Before the September 11 attacks, the FBI was reeling over a series of embarrassing missteps.

CNN: graphic

New York Police Commissioner Raymond Kelly said his city is prepared for the September 11 anniversary.

CNN: U.S. at 'high alert' on anniversary of 9/11

Las Vegas has been suffering from a severe tourism slowdown since the September 11 terrorist attacks.

CNN: Recovery: Widow's statement against fear

Lawsuits over the September 11 terrorist attack are likely, legal experts and plaintiff attorneys agree.

CNN: Lawsuits likely after WTC attacks

Being prepared is something new in America, ever since the attacks on September 11.

CNN: Wary Americans stock up on supplies

But many close to the situation believe the events of September 11 may have changed that.

CNN: Capitol monuments vulnerable to terrorists

Like virtually every other retailer, booksellers have seen their business change dramatically since September 11.

CNN: Recovery: Stars come out for WTC victims

And so it's not going to include the fallout from the September 11 events yet.

CNN: Treasury Secretary Paul O'Neill

Obama and McCain also put aside politics Thursday to commemorate the September 11 terrorist attacks.

CNN: Bill Clinton predicts big win for Obama

Plans for a permanent September 11 memorial include honoring victims of the 1993 attack.

CNN: New York remembers 1993 WTC victims

Sometimes that frustration escalates into "air rage" incidents that still disturb the friendly skies post-September 11.

CNN: Air rage: Passengers 'quicker to snap'

This represents a clear challenge in the post-September 11 world where information sharing is key.

CENTERFORSECURITYPOLICY: Policing in an Age of Terror: Prevention is Best

Families of September 11 victims want the airlines to be more accountable for security.

CNN: Mineta to outline baggage security guidelines

Ridge was asked if there is a direct link between that incident and September 11.

CNN: Homeland security chief: U.S. safer, but work remains

Judge Taaffe said The Sun's report on September 11 "clearly went beyond what was permitted".

BBC: The Sun fined for Andrew Partington's trial reports

On September 11, 2001, in our time of grief, the American people came together.

WHITEHOUSE: President Obama on Death of Osama bin Laden

As an American, I will never forget the tragic events that occurred on September 11, 2001.

CNN: We celebrated 'the death of my generation's face of terror'

Bush is proudest of his steadfast leadership after the attacks of September 11, 2001.

CNN: Decrease fontDecrease font

"We haven't seen a spike like this since just after September 11, " says cofounder Claire Cavanah.

CNN: What really makes people happy

Foer's younger brother Joshua told him it sounded like he was writing about September 11.

CNN: The Foer questions: Literary wunderkind turns 35

America's immediate response to September 11 was slapping flag stickers on SUVs and buying Hummers.

CNN: The price of our oil addiction

Although Moussaoui was behind bars on September 11, he pleaded guilty last year to terrorism conspiracy.

CNN: Moussaoui jury split on mitigating factors

The classified program has been in existence since shortly after the September 11, 2001, terror attacks.

CNN: Spy court to get secret briefing -- about secrets

Moussaoui is the only person tried in this country in connection with the September 11 attacks.

CNN: More 9/11 families testify for Moussaoui

Seventy-three percent of mothers now support missile defense, up from 53% before September 11.

CENTERFORSECURITYPOLICY: Center For Security Policy

This has been stated before and after September 11 by leading Muslim scholars throughout the world.

CNN: Ingrid Mattson: What is Islam?

Long before September 11, 2001, I was the third-ranking official in the Reagan justice department.

CNN: Giuliani's responses at the CNN/YouTube debate

We have asked a lot of our service men and women since September 11, 2001.

WHITEHOUSE: The White House

Fears about its possible use by terrorists have been increasing since the September 11 attacks.

CNN: Sources: Anthrax possibly linked to lab

The families of some of those we lost on September 11 are here with us.

CNN: Giuliani: 'Thank God that George Bush is our president'