Ted Cruz

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Sen. Ted Cruz, Texas Republican, formally initiated his candidacy, first by announcing on Twitter, and then going to evangelical Liberty University in Virginia to make a public televised speech. Mr. Cruz later did an hour on Sean Hannity's Fox News show. (Associated Press photographs)

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New York Rep. Peter King hammered Sen. Ted Cruz on Monday, calling the fellow Republican a big-mouthed "carnival barker" who has no business running for president. (CNN)

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National Edition News cover for March 24, 2015 - Cruz faces tough road with fellow Hispanics: Sen. Ted Cruz, R-Texas speaks at Liberty University, founded by the late Rev. Jerry Falwell, Monday, March 23, 2015 in Lynchburg, Va., to announce his campaign for president. Cruz, who announced his candidacy on twitter in the early morning hours, is the first major candidate in the 2016 race for president. (AP Photo/Andrew Harnik)

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Polls show Sen. Ted Cruz is running toward the back of the pack for the 2016 Republican nomination and has work to do to attract fellow Hispanics. (Associated Press)

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Meet the family: Sen. Ted Cruz was joined by his wife, Heidi, and their two daughters, Catherine (left), 4, and Caroline, 6, at Liberty University in Lynchburg, Virginia, as he announced his campaign for president at the Christian college. (Associated Press)

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Sen. Ted Cruz, Texas Republican, speaks at Liberty University, founded by the late Rev. Jerry Falwell, Monday, March 23, 2015, in Lynchburg, Va., to announce his campaign for president. Cruz, who announced his candidacy on twitter in the early morning hours, is the first major candidate in the 2016 race for president. (AP Photo/Andrew Harnik) **FILE**

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Sen. Ted Cruz, R-Texas and his wife Heidi watch as their daughter Caroline, 6, center, high-fives members of the crowd after Cruz announced his campaign for president, Monday, March 23, 2015, at Liberty University, founded by the late Rev. Jerry Falwell, in Lynchburg, Va. Cruz, who announced his candidacy on twitter in the early morning hours, is the first major candidate in the 2016 race for president. Also pictured is Catherine Cruz, 4, left. (AP Photo/Andrew Harnik)

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Sen. Ted Cruz, R-Texas announces his campaign for president, Monday, March 23, 2015, at Liberty University, founded by the late Rev. Jerry Falwell, in Lynchburg, Va. Cruz, who announced his candidacy on twitter in the early morning hours, is the first major candidate in the 2016 race for president. (AP Photo/Andrew Harnik)

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Sen. Ted Cruz, R-Texas, his wife Heidi, and their two daughters Catherine, 4, left, and Caroline, 6, right, wave on stage after he announced his campaign for president, Monday, March 23, 2015, at Liberty University, founded by the late Rev. Jerry Falwell, in Lynchburg, Va. Cruz, who announced his candidacy on twitter in the early morning hours, is the first major candidate in the 2016 race for president. (AP Photo/Andrew Harnik)

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Sen. Ted Cruz, R-Texas, speaks at Liberty University, founded by the late Rev. Jerry Falwell, Monday, March 23, 2015, in Lynchburg, Va., to announce his campaign for president. Cruz, who announced his candidacy on twitter in the early morning hours, is the first major candidate in the 2016 race for president. (AP Photo/Andrew Harnik) ** FILE **

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Sen. Ted Cruz of Texas (right) announced his candidacy for the White House on Monday, and fellow Sen. Rand Paul is planning an ambitious five-state, five-day rollout of his own starting April 7 in his home state of Kentucky. (Associated Press)

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Sen. Rand Paul, R-Ky., and Sen. Ted Cruz, R-Texas listen as Sen. Kirsten Gillibrand, D-N.Y., speaks to reporters during a news conference about a bill regarding military sexual assault cases on Capitol Hill in Washington, Tuesday, July 16, 2013. (AP Photo/Charles Dharapak)

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FILE - In this March 10, 2015, file photo, Sen. Ted Cruz, R-Texas, speaks at the International Association of Firefighters (IAFF) Legislative Conference and Presidential Forum in Washington. Cruz plans to announce Monday, March 23, 2015, that he is running for president. (AP Photo/Pablo Martinez Monsivais, File)

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U.S. Sen. Ted Cruz, R-Texas, speaks at the Grafton County Republican Committee's Lincoln-Reagan Day Dinner at the Indianhead Resort in Lincoln, N.H., on Sunday, March 15, 2015. (AP Photo/Caledonian-Record,Paul Hayes)

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U.S. Sen. Ted Cruz, R-Texas, a tea party favorite and possible presidential candidate in 2016, gets the word that his speaking time is up during a visit to the Strafford County Republican Committee Chili and Chat on Sunday, March 15, 2015, in Barrington, N.H. (AP Photo/Jim Cole)

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U.S. Sen. Ted Cruz, R-Texas, a tea party favorite and possible presidential candidate in 2016, speaks to Baily Ealy during a Strafford County Republican Committee Chili and Chat on Sunday, March 15, 2015, in Barrington, N.H. (AP Photo/Jim Cole) ** FILE **