After the September 11th attacks on the World Trade Center and the Pentagon, U.S. diplomats had to start working the phones to assemble a coalition of nations to combat this new threat. Some of the calls, you get the feeling, were not the easiest to make.

Host Ira Glass tells the story of a report by the U.S. intelligence community back in October 2002 that declared that the likelihood of Saddam Hussein using weapons of massive destruction was very low for the "foreseeable future"...unless the U.S. were to launch a military attack on Iraq. In other words, the war to stop him from using weapons of mass destruction would probably cause the thing it was designed to prevent.

In the war on terror, the government is rounding up foreigners, checking their immigration status, and then, sometimes, deporting them. It won't give out their names.

The bizarre experience of being a guest in museum dedicated to the worst day of your life.

Lynn Simpson worked on the 89th floor of the World Trade Center. She escaped, along with the rest of her office, and now is trying to figure out what it means that she's alive, and how her life is different now.

For over two decades, there's been a secret court in the United States called the FISA court (short for Foreign Intelligence Surveillance Act). Its job is to authorize wiretaps on possible foreign spies and foreign agents.

Reporter Jon Ronson tells the story of how, in the immediate wake of September 11, he became convinced that a man he'd done a story on was responsible for the Anthrax attacks in America. So he did something he'd never done before, he ratted out his source to the FBI.

It's possible that the very first teenager to heed his invitation was Hyder Akbar, 17, from Concord, California. In the summer of 2002, he travelled with his father to live in their home country.

Scott, who had worked as a guard at Guantanamo Bay, sees that the detainee he had been in charge of all those years ago, Mohamedou Ould Slahi, had finally been released. The two of them talk.

On 9/11, Lynn Simpson escaped from the 89th floor of the World Trade Center. Ira talks with her about what's changed since she first appeared on the show, just a week after the attacks in 2001.

While we all may have nagging fears about the war against terror or the war against Iraq, we all have a lot of other things on our minds. We hear 19 eighth-graders' letters to the President, as collected by their teacher, Britt Honeycutt, in rural North Carolina.

Hyder Akbar was a teenager living with his family in the Bay Area when president Hamid Karzai asked Hyder's dad to return to Afghanistan and become an official in the new government. Hyder recorded audio diaries that became two episodes of our show, in 2002 and 2003, both produced by Susan Burton.

The New York advertising agency where Shalom Auslander works got an assignment from the State Department back in 2001: Sell American values to the Muslim world. Now they just have to figure out exactly what to say to millions of people they know absolutely nothing about.

Sal Princiatta is a New York fireman whose unit lost a lot of men on September 11th. Beth Landau was a friend of Sal's, and a couple months ago, she orchestrated a trip to Memphis for Sal and the other guys at the firehouse.

Marian Fontana's husband was a Brooklyn firefighter who was killed on September 11, 2001. Afterwards, she started an organization, fighting to keep her husband's fire station open, and to help victims' families.

Several years ago, before most of us paid much attention to the name Osama bin Laden, Reporter Jon Ronson spent a year following around a Muslim activist named Omar Bakri, who called himself bin Laden's "man in London." At first Ronson thought Bakri was on the "them" side of "us and them." But then Ronson got to know him, and changed his mind. After September 11th, he had to change his mind again.

Producer Julie Snyder reports on a Palestinian teenager from Chicago who explains why everything you think you know about the World Trade Center and Pentagon attacks is wrong.

Hyder's story continues. He and his convoy of American soldiers run into trouble on their way back home.

Alex Blumberg talks with sailor Prevon Scott, who stocks vending machines on the Stennis.