[ad_1] St. Louis — The fate of a Missouri man convicted of killing his cousin and her husband nearly two decades ago appears to rest with the U.S. Supreme Court, with just hours to go before the scheduled execution. This undated booking photo provided by the Missouri Department of Corrections shows Brian Dorsey. Missouri Department of Corrections via AP, File Brian Dorsey, 52, is scheduled to die by injection Tuesday night at the state prison in Bonne Terre. Gov. Mike Parson on Monday turned down a clemency request. Two appeals…