WASHINGTON - MAY 05:  Permanent resident cards are stacked after being turned in by 25 people ahead of a natrualization ceremony on the National Mall May 5, 2008 in Washington, DC. Among the new citizens are electrical engineers, college students, a bus driver, a school teacher and six active members of the U.S. military from a wide range of countries including Iraq, Iran, China, Sudan and Bolivia.  (Photo by Chip Somodevilla/Getty Images)