.2d 674 (1986). If jur- isdiction does not exist, we are bound to dismiss the suit however long it has been maintained or how far it has traveled. Ruhrgas AG v. Marathon Oil Co., 526 U.S. 574, 583, 119 S.Ct. 1563, 143 L.Ed2d 760 (1999). 131 Federal jurisdiction here was pleaded in terms of transport