Students hug after gathering for a vigil on the campus of Virginia Tech in Blacksburg, Virginia April 16, 2007. A gunman killed 32 people at the university on Monday, calmly gunning down students attending class and then killing himself in the deadliest shooting rampage in U.S. history. (Xinhua/Reuters Photo)
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U.S. President George W. Bush and first lady Laura Bush walk from Marine One on the South Lawn of the White House in Washington April 17, 2007. President Bush and first lady Laura Bush travelled on Tuesday to Virginia Tech where South Korean student Cho Seung-Hui killed 32 people and then himself in the deadliest shooting rampage in modern U.S. history. (Xinhua/Reuters Photo)
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