Qwest Communications Company v. Free Conferencing Corp.

" '[A]s a federal court, our role in diversity cases is to interpret state law, not to fashion it.' When dealing with an issue of state law we are bound by rulings on that issue from the state's highest court ... regardless of whether we think it wise or in accordance with the supposed national trend. If the [state] Supreme Court or legislature wants to change state law, then they can do so - we cannot."

Simmons Foods, Inc. v. Indus. Risk Insurers , 863 F.3d 792 , 798 (8th Cir. 2017) (citations omitted) (quoting Wivell v. Wells Fargo Bank, N.A. , 773 F.3d 887 , 896 (8th Cir. 2014) ).

The…