There's another way to phrase that and that is that the absence of evidence is not the evidence of absence. It is basically saying the same thing in a different way. Simply because you do not have evidence that something does exist does not mean that you have evidence that it doesn't exist.

Oh my goodness gracious, what you can buy off the Internet in terms of overhead photography. A trained ape can know an awful lot of what is going on in this world, just by punching on his mouse, for a relatively modest cost.

I would not say that the future is necessarily less predictable than the past. I think the past was not predictable when it started.

The implication that there was something wrong with the war plan is amusing.

They may have had time to destroy them, and I don't know the answer.

The problem is the people who tend to be the best organized are the most radical and the most vicious.

If in doubt, don't. If still in doubt, do what's right.