Louisiana Supreme Court Associate Justice John L. Weimer turned Monday’s St. Mary Industrial Group meeting into an episode of “Schoolhouse Rock,” explaining Louisiana judicial structure step by step. It turns out there are many steps. Since 2001, Weimer has served on the court that is the last step in the state judicial system. He quoted U.S. Supreme Court Justice Robert Jackson, who presided at the major Nuremberg war crimes trials after World War II: “The only reason we’re infallible is because we are final." That doesn't mean the decisions are perfect, Weimer said. But “at some point, you have to have someone who ...