The Supreme Court on Monday reinstated a murder conviction in the 1979 disappearance of 6-year-old Etan Patz, whose case shocked New York City and changed the way parents watched over their kids. The justices, by a 6-3 vote, granted an appeal from New York prosecutors who had urged them to undo a federal appeals court decision that overturned the verdict. The three liberal justices dissented. Prosecutors had been preparing to try the man, Pedro Hernandez, for a third time. His first trial ended in a mistrial. The unanimous panel of the U.S. Court of Appeals for the Second Circuit reversed...