Former Florida Gov. Jeb Bush, Dr. Ben Carson, New Jersey Gov. Chris Christie, former CEO Hewlett-Packard Carly Fiorina, U.S. Senator Lindsey Graham, Louisiana Gov. Bobby Jindal, Ohio Gov. John Kasich, former New York Gov. George Pataki, former Texas Gov. Rick Perry, former U.S. Senator Rick Santorum (PA), Wisconsin Gov. Scott Walker stand on the stage prior to the Voters First Presidential Forum. Darren McCollester/Getty Images 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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Michael Horowitz, the Justice Department's inspector general, testifies before a House committee in 2012 critical of the department's "Operation Fast and Furious." Thursday, he said a legal opinion from the department could block his office from getting documents crucial to his watchdog role. J. Scott Applewhite/AP hide caption

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Secretary of State John Kerry spoke with NPR's Steve Inskeep at the State Department. Kerry said if Congress or a future president reverses a nuclear control agreement with Iran, U.S. credibility will suffer. Kainaz Amaria/NPR hide caption

itoggle caption Kainaz Amaria/NPR

People wait in line to vote at the Board of Elections early voting site on Oct. 18, 2012, in Wilson, N.C. The U.S. Justice Department and several groups are suing North Carolina over the sweeping election overhaul it passed two years ago. Sara D. Davis/Getty Images hide caption

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U.S. Secretary of Defense Ash Carter shakes hands with Vietnam's General Secretary Nguyen Phu Trong at the Presidential Palace in Hanoi, Vietnam, on June 1. Trong will meet with President Obama in the White House on Tuesday. Luong Thai Linh/EPA/Landov hide caption

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Cruz in his high school yearbook; he was president of the drama club. Second Baptist High School hide caption

itoggle caption Second Baptist High School