Mealey's (September 13, 2016, 3:57 PM EDT) -- ST. LOUIS — The State of Missouri on Sept. 7 petitioned the Eighth Circuit U.S. Court of Appeals for an en banc rehearing of a Sept. 2 panel decision denying mandamus to prevent the Missouri Department of Corrections (MDOC) from having to say how and from whom it obtains pentobarbital for lethal injection executions (In Re: Missouri Department of Corrections, No. 16-3072, 8th Cir.; 2016 U.S. App. LEXIS 16250)....