Kentucky GOP Sen. Rand Paul said Saturday that he intends to block last-ditch efforts Sunday to renew National Security Agency and other anti-terrorist and surveillance programs.
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“I will force the expiration of the NSA illegal spy program,” Paul, also a 2016 presidential candidate, said. “I am ready and willing to start the debate on how we fight terrorism without giving up our liberty.”

The Libertarian-minded Paul led a filibuster-like effort over the Memorial Day weekend that helped block legislation to extend federal surveillance efforts but suggested upon leaving the Senate chambers that he might reconsider.