Shinichi Kuramoto of the Center for Deep Earth Exploration in Japan displays a replica of earthquake fault rock. TOSHIFUMI KITAMURA/AFP/Getty Images hide caption

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A makeshift memorial hangs on a lamp post across the street from the Washington Navy Yard, on Sept. 20. Carolyn Kaster/AP hide caption

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House Oversight Committee chairman and megamillionaire Darrell Issa is reportedly worth more than $355 million. J. Scott Applewhite/AP hide caption

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A lone bison in Theodore Roosevelt National Park, near where fracking has become standard practice. Andrew Burton/Getty Images hide caption

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Donald Trump says he is considering running for president in 2016. Robin Marchant/Getty Images hide caption

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