Texas governor Rick Perry has endorsed his lieutenant governor, David Dewhurst, in the latter's Republican primary for U.S. Senate. "David's been a loyal supporter of mine, and I, in turn, am a loyal supporter of him and his task to become the next United States senator," Perry said in an interview on KTVT-TV in Dallas. Watch a clip of that interview here.

Dewhurst's chief competitor for the GOP nomination is former state solicitor general Ted Cruz, a favorite of the Tea Party and several national conservatives. Both are running, along with fellow Republicans Tom Leppert and Craig James, to replace retiring GOP senator Kay Bailey Hutchison. Texas will hold its primary on May 29.

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