Anti-war activist Cindy Sheehan told supporters at a peace forum Saturday that troops would get out of Iraq if millions of U.S. citizens took the simple step that she did outside President Bush's vacation home last summer.

"Anybody could do what we did in Crawford, Texas. We just went down and sat down,'' Sheehan told the crowd of several hundred people, with Academy Award-winning actor Sean Penn in the front row. Sheehan, whose 24-year-old soldier son died in Iraq, attracted hundreds of anti-war protesters to her makeshift camp near Bush's ranch in August.

Penn said he felt more and more Americans had become disillusioned by the U.S.-led war in Iraq and a removal of troops is coming soon.

The actor, an early opponent of the war who drew criticism for his visit to Iraq, said he is pleased with recent efforts in Congress to rein in the president's powers and bring troops home, and by the outraged response to disclosures that the government had wiretapped without obtaining warrants.