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WASHINGTON - OCTOBER 06: (L-R) Lawyer Jonathan Moore (obscured), translator Thi Minh Huyen Dinh, Hong Nhut Dang and Thi Hoan Tran look over their petition in front of the U.S. Supreme Court during the first day of the court's new term October 6, 2008 in Washington, DC. Victims of Agent Orange, Tran, Dang and others presented a petition to the Supreme Court asking it to consider their case against American chemical companies that produced the herbicides used during the Vietnam War. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON - OCTOBER 06:  (L-R) Lawyer Jonathan Moore (obscured), translator Thi Minh Huyen Dinh, Hong Nhut Dang and Thi Hoan Tran look over their petition in front of the U.S. Supreme Court during the first day of the court's new term October 6, 2008 in Washington, DC. Victims of Agent Orange, Tran, Dang and others presented a petition to the Supreme Court asking it to consider their case against American chemical companies that produced the herbicides used during the Vietnam War.  (Photo by Chip Somodevilla/Getty Images)