At a Senate Judiciary Committee hearing Wednesday, Chairman Patrick Leahy (D-Vt.) said he will push legislation to end the NSA's controversial program to collect records on all U.S. phone calls. He argued that the program invades Americans' privacy rights while doing little to thwart terrorist attacks. But Sen. Dianne Feinstein (D-Calif.), the chairwoman of the Senate Intelligence Committee, argued that the phone data program is critical for protecting national security. "I will do everything I can to prevent this program from being canceled," Feinstein said during the hearing....