Specialist Michael O'Mara on the floor of the New York Stock Exchange on Tuesday. Stocks closed down 200 points after starting the day with a rally. But there's more going on in the economy than the drama on Wall Street. Richard Drew/AP hide caption

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President Obama talks with The Daily Show host Jon Stewart. Evan Vucci/AP hide caption

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Falling oil prices have put downward pressure on gasoline prices, now averaging $2.65 a gallon — about 85 cents cheaper than a year ago. Gene J. Puskar/AP hide caption

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A Chinese worker is seen at a construction site in Beijing. Economic changes in China and in other places have reduced demand and prices for commodities like the metal in the building's structure. AP hide caption

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High-profile events like bridge collapses or road sinkholes (like this one in Maryland in 2010) could make you think America's roads are crumbling. That's not quite true. Logan Mock-Bunting/Getty Images hide caption

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Mark Cuban, left, as President of the United States, faces killer sharks with Ian Ziering in the Syfy film Sharknado 3: Oh Hell No! The Global Asylum/Syfy hide caption

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Donald Trump has landed in controversy since getting into the Republican race for the presidential nomination, but he has only seen his standing increase. Frederic J. Brown/AFP/Getty Images hide caption

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Orange Is the New Black star Uzo Aduba, left, and So You Think You Can Dance host Cat Deeley announce the nominees for the 67th Primetime Emmy Awards in Los Angeles. Chris Pizzello/Invision/AP hide caption

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Secondary school teacher Sarah Ward at home on maternity leave with her 3-month-old daughter, Esme Kelliher. A resident of New Zealand, Ward has access to paid leave, something many American mothers do not. Fiona Goodall/Getty Images hide caption

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Greek Prime Minister Alexis Tsipras speaks with reporters after meeting with eurozone leaders in Brussels on Monday. The leaders reached a tentative agreement on a bailout program that provides cash in exchange for changes in the way the Greek government operates. Geert Vanden Wijngaert/AP hide caption

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