Cruz sworn in as Texas' first Hispanic US Senator - KFDA - NewsChannel 10 / Amarillo News, Weather, Sports

Cruz sworn in as Texas' first Hispanic US Senator

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Vice President Joe Biden administers the Senate Oath at a mock swearing-in for Sen. Ted Cruz, R-Texas, accompanied by his wife, Heidi Nelson Cruz, and daughters Caroline and Catherine. (AP Photo/ Evan Vucci) Vice President Joe Biden administers the Senate Oath at a mock swearing-in for Sen. Ted Cruz, R-Texas, accompanied by his wife, Heidi Nelson Cruz, and daughters Caroline and Catherine. (AP Photo/ Evan Vucci)

AUSTIN, Texas (AP) - Tea party darling Ted Cruz has been sworn in as U.S. senator and says his first order of business will be introducing a bill he knows will never pass.

Cruz is a Cuban-American and former state solicitor general. On Thursday, he became the first Hispanic to represent Texas in the Senate.

He has pledged that his first bill would seek to repeal "every syllable of every word" of the Obama administration's health care reform law.

Now in office, Cruz said he will keep that promise, even though he knows Senate Democrats and President Barack Obama will ensure his bill won't become law.

Fueled by grassroots support, Cruz could become a rising star among Capitol Hill conservatives following the retirement of tea party leader U.S. Sen. Jim DeMint of South Carolina.