Olympic swimmer Katie Ledecky: I’m ‘enjoying working hard’

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Swimmer Katie Ledecky was the darling of the 2012 London Olympics, and now she’s looking to win more gold in Rio next year. She tells TODAY’s Matt Lauer that she’s unconcerned about the heavy expectations on her, saying that she’s working with her coach to find new ways to improve even after winning five gold medals and breaking three world records just this month at the world championships in Russia.