Administrative Law—Environmental Law—Remedies–D.C. Circuit Upholds Vacatur and Remand of Dakota Access Pipeline Easement, reverses District Court Order to Cease Pipeline Operations—Standing Rock Sioux Tribe v. U.S. Army Corps of Engineers, 985 F.3d 1032 (D.C. Cir. 2021), reh’g en banc denied, Nos. 20-5197 & 20-5201, 2021 BL 152245 (D.C. Cir. Apr. 23, 2021), cert. denied, No. 21-560, 2022 BL 57673 (U.S. Feb. 22, 2022).