Factual and legal findings of a trial court are hard to overturn. At the trial level re-litigation of pre-determined factual and legal issues is generally impermissible. See Shahan v. Shahan, 988 S.W.2d 529, 533 (Mo. 1999) (the “law of the case” doctrine governs successive adjudications involving the same issues and facts); Oldaker v. Peters, 869 S.W.2d…