
U.S. Sen. Ted Cruz, a Republican presidential candidate, speaks during a campaign rally at the Indiana State Fairgrounds on Monday, May 2.

Cruz holds up the hand of Carly Fiorina at a campaign rally in Indianapolis on Wednesday, April 27. Cruz named Fiorina, a former presidential candidate, as his running mate.

Cruz celebrates his Wisconsin primary win with his wife, Heidi, and Gov. Scott Walker in Milwaukee on Tuesday, April 5. Walker endorsed Cruz for the presidency.

With his wife by his side, Cruz tours the Dane Manufacturing facility before speaking to workers in Dane, Wisconsin, on Thursday, March 24.

Cruz speaks during the CNN Republican debate in Miami on Thursday, March 10.

Cruz and his wife wave to the crowd at Liberty University after he announced his presidential candidacy in Lynchburg, Virginia, on March 23, 2015.

Cruz speaks during the 2013 NRA Annual Meeting and Exhibits at the George R. Brown Convention Center on May 3, 2013, in Houston, Texas.

Cruz poses with his wife, Heidi, and his daughters Caroline and Catherine.

Cruz (left) fields questions from Bruce Rastetter at the Iowa Ag Summit on March 7, 2015, in Des Moines, Iowa. The event allows the invited speakers, many of whom are potential 2016 Republican presidential hopefuls, to outline their views on agricultural issue.

Nobel Peace Laureate Elie Wiesel (left) listens as Cruz (right) speaks during a roundtable discussion on Capitol Hill March 2, 2015 in Washington, D.C. Wiesel, Cruz and Rabbi Scmuley Boteach (center) participated in a discussion entitled 'The Meaning of Never Again: Guarding Against a Nuclear Iran.'

Governor Greg Abbott (center) speaks alongside Cruz (left), Attorney General Ken Paxton (right) at a joint press conference February 18, 2015, in Austin, Texas.

Sen. Patrick Leahy (right) escorts Loretta Lynch back from a lunch break as Cruz (left) sits nearby during her confirmation hearing before the Senate Judiciary Committee January 28, 2015, on Capitol Hill.

Cruz greets supporters at the South Carolina Tea Party Coalition convention on January 18, 2015, in Myrtle Beach, South Carolina. A variety of conservative presidential hopefuls spoke at the gathering on the second day of a three-day event.

Cruz (left) and then-Texas Governor Rick Perry stand together during a press conference at the front gate of Fort Hood about Iraq war veteran, Ivan Lopez, who killed three and wounded 16 before taking his own life on April 4, 2014, in Fort Hood, Texas.

(Left to right) Sen. Lindsey Graham, Sen. John McCain and Cruz listen as President Barack Obama delivers the State of the Union address on January 28, 2014, in Washington, D.C.

Then-Senate Minority Leader Mitch McConnell (second right), poses with Republican senators-elect Jeff Flake (left), Deb Fischer (second left), and Cruz (right) at the U.S. Capitol on November 13, 2012, in Washington, D.C.

Cruz speaks to reporters on September 25, 2013, after ending his talk-a-thon on the floor of the US Senate in Washington, D.C.

Cruz speaks as then-Rep. Michele Bachmann (left), Sen. Mike Lee (second right) and Sen. Rand Paul (right) listen during a news conference May 16, 2013, on Capitol Hill.

Cruz listens to testimony during a Senate Judiciary Committee hearing on April 22, 2013, in Washington, D.C.

Cruz holds a news conference to announce the plan to defund Obamacare on March 13, 2013.

Cruz speaks at the CPAC on March 6, 2014, in National Harbor, Maryland.

Then-Senate Republican Candidate and Texas Solicitor General Cruz speaks at the 'Patriots for Romney-Ryan Reception' on August 29, 2012, in Tampa, Florida.

Then-Senate Republican Candidate and Texas Solicitor General Cruz speaks during the Republican National Convention at the Tampa Bay Times Forum on August 28, 2012.

Then-Senate Republican Candidate and Texas Solicitor General Cruz speaks during the Republican National Convention in 2012.