Michael Isikoff

New information about an Islamic agency suggests that U.S. tax money may have been used inadvertently to help Al Qaeda.

The Duelfer Report alleges that Saddam gave funds to a listed terror group. But the claim does little to advance the White House case for war.

How far will federal prosecutor Patrick Fitzgerald go in his campaign to sniff out government leakers? As special counsel in the Valerie Plame leak probe, Fitzgerald, the hard-charging U.S. attorney in Chicago, has subpoenaed D.C. reporters, demanding they identify sources who told them Plame was an undercover CIA operative.

In his debate with John Edwards, Dick Cheney had a brand-new version of the events that led to war.

TURN THE PAGE: IN A NEW BOOK, SEN. BOB GRAHAM EXAMINES THE EMBERS OF 9/11

Swiss investigators have broken an Al Qaeda cell that proves the remarkable reach of the global-terror network.

New Jersey Gov. James McGreevey had stayed a step ahead of the rumors for years. In down-and-dirty New Jersey politics, Republican opponents had tried to hint at his double life, sometimes none too subtly.

HE WANTED TO CLEAN UP POLITICS IN THE JERSEY CAPITAL. IT DIDN'T WORK OUT THAT WAY. A SERIES OF SCANDALS, AND A GAY SECRET LIFE, CUT JAMES MCGREEVEY'S CAREER SHORT

British authorities provide details of a terror plot narrowly averted--and the Al Qaeda operative at its center.

Bush's CIA nominee has alarmed civil libertarians with a plan that would authorize the agency to arrest U.S. Citizens. Plus, the real threat to the Olympic games.

Critics charge the Bush administration is mixing politics and terror. Here's why the White House believes the threat against U.S. financial institutions remains very real.

A flapping tent. Bottles of urine. Amid fears of a pre-election terror attack, jumpy Feds are investigating everything in their efforts to protect the first post-9/11 national political convention.

The Iranian frontier with Afghanistan is a wild and desolate area of goat farmers and mud-brick huts, the perfect place for illicit opium--and terrorists--to cross the border.

President George W. Bush has ordered a high-level White House review of the recommendations of the 9/11 Commission and wants to begin implementing some of them "within weeks," a senior White House official told NEWSWEEK.

A top terror operative made a Tehran visit while planning the 9/11 attacks, Newsweek has learned.

American counter-terrorism officials, citing what they call "alarming" intelligence about a possible Qaeda strike inside the United States this fall, are reviewing a proposal that could allow for the postponement of the November presidential election in the event of such an attack, NEWSWEEK has learned.

The more he read, the more uneasy he became. In early February 2003 Colin Powell was putting the finishing touches on his speech to the United Nations spelling out the case for war in Iraq.

A justice department report claims the controversial law helped the FBI to unravel a bizarre south pole 'cyberterror' plot. Scientists don't necessarily agree.

Both the FBI and civil-liberties groups are worried that Edwards, and possibly Kerry, will use their campaign to promote the formation of a new domestic spy agency

A captured Qaeda commander who was a principal source for Bush administration claims that Osama bin Laden collaborated with Saddam Hussein's regime has changed his story, setting back White House efforts to shore up the credibility of its original case for the invasion of Iraq.

Can Michael Moore be believed? It is a question more than a few moviegoers may be asking this week as his new documentary, "Fahrenheit 9/11," hits theaters.

Who is Abu Mussab al-Zarqawi? And why are so many governments scared to death of him?

Last February, two Army counterintelligence agents showed up at the University of Texas law school and demanded to see the roster from a conference on Islamic law held a few days earlier.

Presidential memoirs are usually ho-hum affairs. But Bill Clinton was no ordinary president, and his memoir, the much-anticipated "My Life," is no ordinary book: a historic document (Clinton was the first two-term Democratic president since FDR), the Alfred A.

The 9/11 commission's findings about Osama bin Laden's foreign allies could have significant implications for U.S. diplomacy as well as the race for the White House

With last week's disclosures that President Bush had consulted with a criminal-defense lawyer and Vice President Dick Cheney had been questioned by federal prosecutors, the Justice probe into the leak of an undercover CIA officer's identity is reaching a critical stage.

Justice Department lawyers, said to be pessimistic about winning upcoming Supreme Court cases on enemy combatants and Guantanamo prisoners, are now scrambling to bring a case against alleged 'dirty bomber' Jose Padilla

Federal investigators are frantically trying to determine what happened to a missing laptop computer that contains sensitive data on as many as 100 Drug Enforcement Administration investigations around the country, including a wealth of information about many of the agency's confidential informants, NEWSWEEK has learned.

CIA Director George Tenet's sudden resignation comes on the eve of two reports on the agency's pre-war intelligence

The probe into alleged Chalabi leaks to the Iranians may widen