Independence Day

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Fireworks can be seen from the Top of the Town as they explode over the National Mall to celebrate Independence Day, Arlington, Va., Wednesday, July 4, 2012. (Andrew Harnik/The Washington Times)

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Fireworks can be seen from the Top of the Town as they explode over the National Mall to celebrate Independence Day, Arlington, Va. (Andrew Harnik/The Washington Times)

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Fireworks can be seen from the Top of the Town as they explode over the National Mall to celebrate Independence Day. (Andrew Harnik/The Washington Times)

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Fireworks can be seen from the Top of the Town as they explode over the National Mall to celebrate Independence Day. (Andrew Harnik/The Washington Times)

Graham Haberl, 6, of McLean, Va., plays card games with family a the lawn near the Iwo Jima Memorial a few hours before fireworks are set to explode over the National Mall to celebrate Independence Day, Arlington, Va. (Andrew Harnik/The Washington Times)

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Jaden Poellot, 11, of Mt. Kisco, N.Y., left, throws a frisbee with Max Lauth, 10, second from left, of Indianapolis, Ind., in front of the Iwo Jima Memorial a few hours before fireworks are set to explode over the National Mall to celebrate Independence Day, Arlington, Va. (Andrew Harnik/The Washington Times)

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Madeline Ray, 13, left, and her sister Natalie, 12, right, of Lafayette, Ind., keep themselves occupied on grass near the Iwo Jima Memorial a few hours before fireworks are set to explode over the National Mall to celebrate Independence Day, Arlington, Va. (Andrew Harnik/The Washington Times)

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Daniel Bonilla, 10, from Centerville, Va., has water poured on his head to beat the hot weather as he waits to view the Independence Day fireworks celebration over the National Mall. (AP Photo/Alex Brandon)

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Chris Andreski, from Alexandria, Va., grills hamburgers and hot dogs and fights the heat, while waiting for the start of the Independence Day fireworks celebration over the National Mall in Washington, from his vantage point across the river in in Arlington, Va. (AP Photo/Alex Brandon)

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Shirts off and sitting under a tarp Brandon List of Falls Church, Va., sits with Elena Villa, 2, as they try to resist the heat, while waiting for the start of the Independence Day fireworks celebration over the National Mall in Washington from their vantage point across the river in Arlington, Va. (AP Photo/Alex Brandon)

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President Barack Obama puts on a red, white, and blue hat, while visiting with service members during the Independence Day celebration on the from the South Lawn of the White House in Washington, D.C. (AP Photo/Haraz N. Ghanbari)

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The Roots' Ahmir "Questlove" Thompson performs during an Independence Day celebration in Philadelphia, Pa. (AP Photo/Matt Rourke)

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The Roots' Tariq "Black Thought" Trotter performs during an Independence Day celebration in Philadelphia, Pa. (AP Photo/Matt Rourke)

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Alaysia Allen, 7, drinks from a sprinkler during the Independence Day celebration in Hanover, Mich. (AP Photo/The Jackson Citizen Patriot, Hannah Potes)

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Children compete in a sack race at Lincoln Park in Valparaiso, Fla. during a Independence Day celebration. (AP Photo/Northwest Florida Daily News, Nick Tomecek)

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Fireworks can be seen as they explode over the National Mall to celebrate Independence Day, Arlington, Va., Wednesday, July 4, 2012. (Andrew Harnik/The Washington Times)

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Fireworks can be seen from the Top of the Town in Arlington as they explode over the National Mall to celebrate Independence Day on Wednesday, July 4, 2012. (Andrew Harnik/The Washington Times)

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President Obama puts on a red, white, and blue hat, while visiting with service members during the Independence Day celebration on the from the South Lawn of the White House, Wednesday, July 4, 2012. (AP Photo/Haraz N. Ghanbari)