Fail-Safe: After us, the machines

"Even if we do survive, what are we? Better than what we say they are? What gives us the right to live, then?"

You probably haven’t noticed, but Donald Trump has been extra-apocalyptic of late. That’s a lot considering that his standard mode is warning how America has gone to hell in a handbasket from sea to once-shining sea. In recent remarks, the Republican presidential nominee has been growing downright dire, particularly about the prospect of another world w…