In a remarkable moment of candor, Pennsylvania Gov. Ed Rendell today acknowledged that stronger gun laws could not have prevented the horrible shooting at the Amish school in Lancaster County. Rendell, a staunch gun control advocate, admitted, “I believe with all my heart that we need more gun control” during a live press conference. But he also acknowledged that tougher gun laws would not have prevented gunman Charles Carl Roberts IV from carrying out his deadly attack, noting, “You can make all the changes you want, but you can never stop a random act of violence by someone intent on...