(November 26, 2018, 7:47 PM EST) -- WASHINGTON, D.C. — A man who was injured after being struck by a downed power line being repaired by the Tennessee Valley Authority (TVA) and his wife argue to the U.S. Supreme Court that sovereign immunity does not protect the federally owned corporate entity from suit. In a petitioners brief filed Nov. 13, the couple maintains that lower courts erred in applying the discretionary function exception to dismiss their claims (Gary Thacker, et al. v. Tennessee Valley Authority, No. 17-1201, U.S. Sup.)....