A Lumberton man convicted of a fatal stabbing shortly after the Philadelphia Eagles victorious Super Bowl in 2018 has won a new trial because a prosecutor repeatedly called him a liar in court, an appeals court ruled Thursday. And, the trial judge bungled his instructions to the jury, an error that also badly damaged the case. A Burlington County jury in early 2019 convicted Supreme Life, 60, of manslaughter in the death of Moriah Walker, 26, of Brooklyn, N.Y., and the attempted murder of Raheem Williams, of Queens, N.Y. A judge sentenced Life, also known as Charles Hoskins, to 20 years in pri…