Commentary Here is a joke I told some high school students years ago—teenagers can be a tough crowd—to show how easily media bias can manufacture or manipulate public sympathy. In Paris, a man sees a pit bull attacking a little girl. He kills the dog, saving the child’s life. Reporters swarm him. One says, “Tell us your name. Your fellow Parisians will rejoice in tomorrow’s headlines: ‘Hero saves girl from vicious dog.’ “But I’m not from Paris,” the man replies. “No worries,” says another reporter. “All France will smile when they see the headline, ‘Hero saves girl from vicious dog.’ “But I’m not from France,” the man says. A third reporter responds. “Then all of Europe will …” “But I’m not from Europe,” he interrupts. “Where are you from?” asks an Associated Press stringer. “Israel,” he says. The next day’s AP headline reads: “Israeli kills little girl’s dog.” The kids …