(August 24, 2018, 9:10 AM EDT) -- DETROIT — A probate court did not err in holding that a 2015 will was invalid and that a will from 10 years earlier was a binding contract and irrevocable upon the death of one party, a Michigan appellate panel ruled Aug. 21, noting that the challenge to the 2015 will was filed while the estate remained open and unsettled (In re Estate of Louis Henry Bitto III, Nos. 33908, 339507, Mich. App., 2018 Mich. App. LEXIS 3068)....