Tonight on Special Report with Brit Hume:

Jim Angle reports: President Bush pledges to seek congressional approval before taking action against Saddam Hussein, while House and Senate lawmakers say the president laid out plans for a "regime change" during a morning meeting at the White House.

Guest preview: Rep. Tom DeLay, R-Texas, talks to us about the presidential agenda versus Iraq.

Plus:

•  Bret Baier reports: How are international leaders reacting to President Bush's case against Iraq? We give you the latest.

•  Carl Cameron reports: Plans to establish a new Cabinet-level agency dedicated to homeland security could be hung up over whether its staff should be unionized.

•  Brian Wilson reports: Reporters investigating airport security were able to smuggle small knives and pepper spray through checkpoints at 11 U.S. airports during the Labor Day weekend, the New York Daily News reports. We'll tell you the latest information.

•  Rick Folbaum reports: Repeatedly interrupted by jeers and protests, Secretary of State Colin Powell defends the United States' environmental record and its efforts to help the poor in the developing world on the closing day of the World Summit.

Details on this story and more on Special Report with Brit Hume.
— Guests and topics are subject to change