Bill would hold heavy trucks to 65 mph
                                
                                
                                    (Newser) -
                                    Two U.S. senators have introduced a bill that would electronically limit tractor-trailer speeds to 65 miles per hour, a move they say would save lives on the nation's highways. Sens. Johnny Isakson, a Georgia Republican, and Chris Coons, a Delaware Democrat, introduced the measure Thursday, saying it would...