"Flying Robot Attack 'Unstoppable': Experts"

The headline was just too delicious to resist, in the first place. But this story--about the terroristic possibilities of remote-controlled light aircraft--really does make one wonder about the multitude of dreadful and more-or-less unstoppable things that Our Hidden Enemies Everywhere could be doing to us daily, and yet never seem to do. As the story points out, "Security services the world over have been considering the problem for several years, but no one has yet come up with a solution." Nor, it seems, has anyone yet come up with a problem.