No, because no one can guarantee if the other side has nukes or not. India, for example, tested five nukes evading American satellites, and the world came to know about the tests only when the country's prime-minister announced it to his parliament.
Ditto. What sounded profound coming from Mos def was just the usual Hollywood/Music Industry vacuousness that passes itself off as intellectual. This is why you should never look to popular entertainment of entertainers for knowledge or wisdom.
Sure, it would be great if everybody got rid of nuclear weapons, but it will never happen, and it is extraordinarily foolish and naive to ever think it will happen. Any nation that does so voluntarily will find itself bringing a knife to a gunfight.