An honor guard from the South Carolina Highway Patrol lowers the Confederate battle flag, removing it from the Capitol grounds on July 10. John Bazemore/AP hide caption

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Ben Carson is the only African-American major candidate running for president in 2016. He grew up poor in Detroit in the 1960s and paved his own path. Jonathan Bachman/AP hide caption

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In a campaign video, Rand Paul uses a chainsaw to shred 1,700 pages of what he says represents the federal tax code. Paul is offering a flat-tax plan that fits on one page. Rand Paul campaign video 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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"When Mexico sends its people, they're not sending their best. ... They're bringing drugs; they're bringing crime, [bringing] their rapists. And some, I assume, are good people," Donald Trump said while announcing his campaign last month. Paul J. Richards/AFP/Getty Images hide caption

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Republican presidential candidate and TV personality Donald Trump arrives by escalator to the tune of "Rockin' in the Free World." Musician Neil Young did not approve of his song choice. Brendan McDermid /Reuters/Landov hide caption

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Republican presidential candidate and former Florida Gov. Jeb Bush waits backstage as he is introduced before speaking at the Road to Majority 2015 convention in Washington. Pablo Martinez Monsivais/AP hide caption

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People celebrate outside the Supreme Court in Washington on Friday after its historic 5-4 decision on same-sex marriage. Mladen Antonov/AFP/Getty Images hide caption

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Supporters of the Affordable Care Act rally in front of the U.S. Supreme Court in Washington, D.C., on March 4. The Supreme Court is considering the case of King v. Burwell, which could determine the fate of health care subsidies for millions of people. Alex Wong/Getty Images hide caption

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Protesters close their eyes in silent prayer as they stand on the South Carolina Statehouse steps during a rally to take down the Confederate flag, Saturday, June 20, 2015, in Columbia, S.C. Rainier Ehrhardt/Associated Press hide caption

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