PINELLAS PARK, Fla. - As a deadline loomed, U.S. Senate Republicans sought to keep severely brain-damaged Terri Schiavo alive Friday with an invitation to bring her to Washington, and an attorney for her parents said they hoped the move would buy them more time. The Senate Health Committee has requested that Terri Schiavo and her husband, Michael, appear at an official committee hearing on March 28. Earlier Friday, a House committee was issuing congressional subpoenas to stop doctors from disconnecting the tube. Michael Schiavo has waged a yearslong court battle with his parents-in-law, contending his wife, who has been in...