OPINION

US Rep. Ron Paul of Texas will retire from Congress, focus on presidential campaign

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The 75-year-old Republican said he will serve out his term through December 2012, whether his presidential campaign is successful or not. He told The Associated Press he has been criticized for running for Congress while seeking the presidency in the past.

Paul has routinely turned down pork-barrel spending for his own district, but has earned praise at home for refusing to sign up for lucrative pension benefits to which he is entitled as a member of Congress. He is the author of six books on politics and monetary policy.