An influential Republican senator said Wednesday that it's time for Congress to approve a law that would protect journalists from having to choose between jail time and revealing their confidential sources in court cases. Sen. Arlen Specter, R-Pa., chastised a top Justice Department official who testified that a proposed bill to shield journalists from revealing their sources was a "solution in search of a problem." "I disagree with you," Specter, chairman of the Senate Judiciary Committee and a former prosecutor, told Deputy Attorney General Paul McNulty. "My view is that it's something that must be addressed legislatively." Despite opposition by...