(July 29, 2019, 8:24 AM EDT) -- MADISON, Wis. — A Wisconsin Indian tribe sued oil companies July 23 seeking the removal of a pipeline across the tribe’s reservation, saying easements for the pipeline have expired and its location presents an ongoing threat of an oil spill and “environmental catastrophe” (Bad River Band of the Lake Superior Tribe of Chippewa Indians of the Bad River Reservation v. Enbridge, Inc., et al., No. 3:19-cv-602, W.D. Wis.)....