Grinnell Mutual Reinsurance Co. v. Schwieger, 685 F.3d 697 (8th Cir. Jul, 16, 2012)

(cattle owner sued feedlot owner after large number of cattle died from Rumensin poisoning; feedlot owner submitted complaint to insurer; insurance company denied coverage under “care, custody, or control” exclusion; policy also had “custom feeding endorsement”; district court granted summary judgment finding custom feeding endorsement superseded exclusion; on appeal court held Minnesota court had determined same policy and found endorsement did not apply to situations in which insured suffered loss versus third party damages; relying on Minnesota decision, appellate court held no coverage existed and reversed; case remanded for entry of summary judgment in favor of insurance company).