A machine prints Powerball lottery tickets at a convenience store in Washington, D.C. on Thursday. Saturday's jackpot has risen to $900 million. Saul Loeb./AFP/Getty Images hide caption

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Rep. Kevin McCarthy, R-Calif., is seen on Capitol Hill shortly after being elected House majority leader in 2014. He's now the leading candidate to replace House Speaker John Boehner when he retires next month. Mark Wilson/Getty Images hide caption

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Women in Barcelona check their numbers for Spain's Christmas lottery, named "El Gordo" (Fat One), in 2012. Josep Lago/AFP/Getty Images hide caption

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