Sen. Ted Cruz prays before the start of his Religious Liberty Rally last weekend in Des Moines, Iowa. The event was part of Cruz's push to energize evangelical voters. Scott Olson/Getty Images hide caption

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A supporter waves a Cuban flag in front of the country's embassy after it reopened for the first time in 54 years on July 20 in Washington, D.C. The embassy was closed in 1961 when U.S. President Dwight Eisenhower severed diplomatic ties with the island nation after Fidel Castro took power in a communist revolution. Mark Wilson/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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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

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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Sen. Lindsey Graham, R-S.C., speaks to members of the media after visiting the memorial site at the Emanuel African Methodist Episcopal Church in Charleston, S.C., where nine people were killed. John Taggart/EPA/Landov hide caption

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Sen. Ted Cruz, R-Texas, apologized Wednesday after making a joke about Joe Biden while the vice president was mourning the death of his son. Charles Dharapak/Associated Press hide caption

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Republican presidential hopeful Sen. Ted Cruz speaks at the Republican Leadership Summit Saturday in Nashua, N.H. Jim Cole/AP hide caption

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