U.S. Homeland Security Secretary Michael Chertoff praised the pact as an "essential screening tool for detecting potentially dangerous transatlantic travelers." If available at the time of the Sept. 11, 2001, attacks, Chertoff said, such information would have, "within a matter of moments, helped to identify many of the 19 hijackers by linking their methods of payment, phone numbers and seat assignments."

Although Homeland Security has said it will move passenger information to "dormant" status after seven years and "expects" to erase it after 15 years, it notified the E.U. that expiration of data will be subject to "further discussions."

The speaker said she had "no hesitation" criticizing the president about his handling of the war, but said there were more important priorities for lawmakers -- such as health care and creating jobs -- than the divisive pursuit of impeachment.

"Look, it's hard enough for us to end the war. I don't know how we would be successful in impeaching the president," Pelosi said.

She did note that calls for the president's removal are not coming just from San Francisco.

"I'm not unsympathetic to the concern people have -- I hear it all over the country. People here have said to me, 'Well, people on the left want the president to be impeached.' I hear it across the board across the country. It's not just the left," Pelosi said.

The number of U.S.-paid private contractors in Iraq now exceeds that of American combat troops, newly released figures show, raising fresh questions about the privatization of the war effort and the government's capacity to carry out military and rebuilding campaigns.