FROM CNN's Jack Cafferty: Iran continues to thumb its nose at the U.S. – this time by ridiculing President Obama's new nuclear strategy. [cnn-photo-caption image=http://i2.cdn.turner.com/cnn/2010/images/04/07/art.obama.jpg caption="A landmark nuclear arms treaty between the U.S. and Russia imposes sweeping cuts on deployed Cold War-era nuclear warheads and missiles. Pres. Obama and Russian Pres. Dmitry Medvedev will sign … Continue reading Pres. Obama's new nuclear policy a good idea?