Land Commissioner George P. Bush and his little-known but powerful agency, Texas’ General Land Office, joined a lawsuit Tuesday suing the federal government for what the suit calls an unconstitutional seizure of land. Filed last month by 7 landowning families, the lawsuit accuses the federal Bureau of Land Management of a “blatant land grab” involving a 116-mile tract along the Red River that marks the border between Texas and Oklahoma, but whose waters have shifted for decades — raising ownership and demarcation questions. Read more at NBCDFW.com