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401503 01: Visiting Interim Afghan leader Hamid Karzai (L) stands with Iranian President Mohammad Khatami during an official welcoming ceremony February 24, 2002 in Tehran. Karzai arrived in Tehran as the U.S. repeated accusations that Iran is protecting fleeing al Qaeda and Taliban members and trying to undermine and destabilize the interim Afghan administration. At (L) is the Afghan flag. (Photo by Behar/Getty Images)

401503 01: Visiting Interim Afghan leader Hamid Karzai (L) stands with Iranian President Mohammad Khatami during an official welcoming ceremony February 24, 2002 in Tehran. Karzai arrived in Tehran as the U.S. repeated accusations that Iran is protecting fleeing al Qaeda and Taliban members and trying to undermine and destabilize the interim Afghan administration. At (L) is the Afghan flag. (Photo by Behar/Getty Images)