By Mataeo Smith Brian Dorsey enjoyed a mammoth final meal hours before his execution following aa failed bid to spare his life. Brian Dorsey, 52, was executed by lethal injection on Tuesday night at the state prison in Bonne Terre, Missouri. The US Supreme Court declined his appeals, and Governor Mike Parson rejected a clemency request on Monday. Dorsey, formerly of Jefferson City, was convicted of killing his cousin Sarah and her husband Ben Bonnie on Dec. 23, 2006, at their home near New Bloomfield. The convicted murderer consumed two cheeseburgers, chicken strips, two large orders of fries,…