A semi trailer carrying hazardous gas overturned on I-10 early Sunday, closing a four mile stretch of the interstate for most of the day. The accident occurred when the truck swerved to avoid car that had stopped suddenly in the right hand lane.The Times-Picayune reports:Trucker William Reeves, 50, of Lake Charles swerved to avoid the car and ran off the road into a ditch on its left side. One...