AP_17173716123848 (2) (1) The man charged with attacking Sen. Rand Paul (R-Ky.) pleaded not guilty to fourth-degree assault on Thursday. Rene Boucher, Paul’s 59 year-old neighbor, allegedly attacked Paul on Friday while the senator was riding his lawnmower. Paul broke six ribs and also suffered from cuts to his mouth and face, along with bruised lungs.…