U.S. swimmer Bradley Snyder poses with his gold medal after winning the men's 100m freestyle - S11 final at the London 2012 Paralympic Games. Ben Stansall/AFP/Getty Images hide caption

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A Russian sow on Mark Baker's farm. Four other parties have joined Baker's lawsuit against the Michigan Department of Natural Resources. Courtesy of Long Haul Productions hide caption

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In less than 20 years, charter schools have grown to the point where more than 2 million students will be attending this fall. But not all of the schools are living up to expectations. iStockphoto.com hide caption

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