The U.S. Supreme Court has overturned the conviction for murder of an African-American man who was sentenced to death in the state of Mississippi, considering that the prosecutor excluded several members of the jury for being black. Terry Pitchford was charged with participating, at the age of 18, in the murder of the owner of a grocery store during a robbery in 2004, and sentenced to death despite the fact that his accomplice, a minor then, was…