( August 30, 2023, 12:33 PM EDT) -- CHICAGO — A company that allegedly has been using its partnership with the Rosebud Sioux Tribe to unlawfully claim tribal sovereign immunity from the issuance of usurious loans cannot arbitrate claims arising from several loan agreements because it waived any right it might have had to arbitrate through its litigation conduct, an Illinois federal judge found in denying the company’s motion to compel arbitration....