Hospitality_Recreation

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President Obama speaks Aug. 14, 2012, during a campaign event at the Nelson Pioneer Farm & Museum in Oskaloosa, Iowa, during a three-day campaign bus tour through Iowa. (Associated Press)

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Flames from the Taylor Bridge Fire climb the side of Lookout Mountain east of Cle Elum, Wash., on Aug. 13, 2012. (Associated Press)

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Sandra Pico, 52, holds her medications July 26, 2012, at her home in North Miami Beach, Fla. Pico makes about $15,000 a year working about 20 hours a week as a home health aide — a bit too much to qualify for Medicaid, but not enough that she can afford private insurance. (Associated Press)

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Two women walk from the town of Harpers Ferry, W.Va., onto the Appalachian Trail on Aug. 1. Like the people who hike it, the Appalachian Trail is always moving. Technically, Tuesday marks the 75th anniversary of its completion, but the 2,180-mile path stretching across 14 states from Springer Mountain, Ga., to Katahdin, Maine, is never really finished. (Associated Press)

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Workmen start dismantling the finish to the Olympic marathon course in the Mall near Buckingham Palace, not pictured, in London, Monday Aug. 13, 2012, following the closing ceremony of the 2012 Summer Olympics. The London summer games ended late Sunday, with the next summer games scheduled to be in Rio de Janeiro, Brazil, in 2016. (AP Photo/Alastair Grant)

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The Maracana stadium, built for the 2007 Pan American Games, is being upgraded for the 2014 World Soccer Cup and will need a costly renovation to host Olympic water polo and diving events. (Associated Press)

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A wildfire advances Aug. 12, 2012, on the residential area in the evacuated Village of Valle Hermoso in La Gomera, Spain. Wildfires spurred by high temperatures raged across Spain's Canary Islands of La Gomera and Alicante. (Associated Press)

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Obesity rates among children in a large pediatric primary care network increased from 13.7% to 15.4% within a year, researchers concluded in a pre-published study posted this month in the journal Pediatrics. (AP Photo/The Anniston Star, Trent Penny )

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Nina Bouamar, 8, far left, and Brant Camp, next to her, ride the "Cliff Hanger" at the Arlington County Fair in Arlington, Va. on Sunday, Aug. 12, 2012. The fair included rides, food, games, pig races, pony rides and an exhibit hall. (Barbara L. Salisbury/The Washington Times)

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David Casey, left, 13, and Steve Izurieta, both of Arlington, ride the "Super Shot," a free-fall ride at the Arlington County Fair. (Barbara L. Salisbury/The Washington Times)