G.O.P. Plan Would Allow Spying Without Warrants

The Republican proposal appeared likely to win approval from the full Senate, despite Democratic opposition and some remaining questions from Senator Arlen Specter, Republican of Pennsylvania and chairman of the Judiciary Committee.

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The Republican proposal would give Congressional approval to the eavesdropping program much as it was secretly authorized by Mr. Bush after the 2001 terrorist attacks, with limited notification to a handful of Congressional leaders. The N.S.A. would be permitted to intercept the international phone calls and e-mail messages of people in the United States if there was "probable cause to believe that one party to the communication is a member, affiliate, or working in support of a terrorist group or organization," according to a written summary of the proposal issued by its Republican sponsors. The finding of probable cause would not be reviewed by any court.

But after 45 days, the attorney general would be required to drop the eavesdropping on that target, seek a warrant from the Foreign Intelligence Surveillance Court or explain under oath to two new Congressional oversight subcommittees why he could not seek a warrant.