When it comes down to developing a way to defend the entire planet from destruction I am all for it. A large asteroid or comet hitting the earth is not a common occurrence. But it has happened many times before and when it does happen again the asteroid may wipe out all life, including humans. If our government did develop an anti-asteroid defense system, it would not only have to protect our country, but the whole planet. If we had such technology we would first have to be very sure it would work. We wouldn’t want to shoot a nuclear w ....