Marcellus Williams (L) and Travis Mullis (R) On Tuesday, within an hour of one another , two men were put to death by the states of Missouri and Texas. One was a black man that was convicted for the 1998 stabbing of a 42-year-old white female journalist, but whose case had such questionable evidence that the St. Louis Prosecuting Attorney recently submitted a joint motion with the defense counsel to overturn a court decision to reject the defendant's appeal. The other was a