A spokesman for Senator George Voinovich sys the Ohio republican is recovering after surgery today to implant a pacemaker. Spokesman Marcie Ridgway had few details immediately after the operation, performed this morning at the National Naval Medical Center in Bethesda, Maryland. Voinovich had announced earlier this week he was having a pacemaker put in to correct a slowing heart rate. He’s expected to spend the night at the hospital and then rest at this apartment in Washington. He plans to return to a full schedule on Monday.