CZ: Our TED member Diana writes, "You mentioned that, in the '70s, many people thought world peace was a worthy goal and now many people think it's naive.
CZ: Diana, nuestra miembro de TED, escribe: “Usted mencionó que, en los años 70, mucha gente pensaba que la paz mundial era una meta digna y ahora mucha gente piensa que es algo ingenuo.