Ted Cruz

Senate Republicans.JPEG-0326b.jpg

FILE - In this Feb. 10, 2014 file photo, Sen. Ted Cruz, R-Texas speaks in Washington. Senate sniping between establishment Republicans and tea partyers resumed Thursday Cruz refused to endorse his fellow GOP Texan in next week's primary. Sen. John Cornyn, the Senate's second-ranking Republican leader, faces tea party-backed Rep. Steve Stockman in Tuesday's primary. Cruz declined to tell reporters how he plans to vote. (AP Photo/Charles Dharapak, File)

AP909602101315.jpg

**FILE** Sen. Ted Cruz, R-Texas, left, and Sen. Mike Lee, R-Utah, during a news conference with conservative Congressional Republicans at the Capitol in Washington, Thursday, Sept. 19, 2013. (AP Photo/J. Scott Applewhite)

bda15e31ca2473054b0f6a7067009f66.jpg

Sen. Ted Cruz, R-Texas answers reporters questions after speaking about energy, Monday, Feb. 10, 2014, at the Heritage Action for America 2014 Conservative Policy Summit at the Heritage Foundation in Washington. (AP Photo/Charles Dharapak)

02931c90ca2073054b0f6a7067000133.jpg

Sen. Ted Cruz, R-Texas speaks about energy, Monday, Feb. 10, 2014, at the Heritage Action for America 2014 Conservative Policy Summit at the Heritage Foundation in Washington. (AP Photo/Charles Dharapak)

a4581a31ca1c73054b0f6a706700edc2.jpg

Sen. Ted Cruz, R-Texas speaks about energy, Monday, Feb. 10, 2014, at the Heritage Action for America 2014 Conservative Policy Summit at the Heritage Foundation in Washington. (AP Photo/Charles Dharapak)

69df0b49ca1b73054b0f6a7067003b6b.jpg

Sen. Ted Cruz, R-Texas speaks about energy, Monday, Feb. 10, 2014, at the Heritage Action for America 2014 Conservative Policy Summit at the Heritage Foundation in Washington. (AP Photo/Charles Dharapak)

7093224eca1573054b0f6a706700f0de.jpg

Sen. Ted Cruz, R-Texas waits off stage as he is introduced before speaking about energy at the Heritage Action for America 2014 Conservative Policy Summit at the Heritage Foundation in Washington, Monday, Feb. 10, 2014. (AP Photo/Charles Dharapak)