I just heard NPR refer to an AP report that Donald Rumsfeld is stepping down. A White House announcement is expected later today.

More as it develops.

Update: The AP story.

Asked whether his announcement signaled a new direction in the war that has claimed the lives of more than 2,800 U.S. troops, Bush said, “Well, there’s certainly going to be new leadership at the Pentagon.”

Stop the ACLU rounds up the conservative disappointment. And Daniel Drezner has some good points to make — notably how this puts the kabosh on “Santorum or Lieberman for SecDef” rumors.

Politics Rumsfeld resigning?