Top Republican raises impeachment over surveillance flap

Arlen Specter, chairman of the Senate Judiciary Committee, cautioned it was too early to draw any conclusions as his committee gears up for public hearings into the growing controversy early next month.

But in his appearance on ABC's "This Week" program, Specter insisted the Senate was not going to give the president what he called "a blank check."

When asked what could happen if lawmakers find Bush in violation of the law, Specter answered: "Impeachment is a remedy. After impeachment, you could have a criminal prosecution, but the principal remedy ... under our society is to pay a political price.

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He made it a point to clarify, however, that he was speaking theoretically and was "not suggesting remotely that there's any basis" for a presidential impeachment at this moment.

The controversy erupted last month after the New York Times reported that Bush had repeatedly authorized the National Security Agency to monitor overseas telephone calls and e-mail traffic to and from people living in the United States without requisite permission from a secret court.

Under the 1978 Foreign Intelligence Surveillance Act, the government can conduct such surveillance only for 72 hours as it seeks a warrant for continued monitoring.

Bush has blasted the disclosure as harmful to national security and vowed to continue the wiretaps, arguing he had the right to authorize them under his constitutional war powers as well as a resolution passed by Congress in the wake in the September 11, 2001, terrorist attacks.