MARK HALPERIN: Social media damaged a generation. Are we about to let AI do the same?

Imagine: two hundred aliens land on Earth, with thousands and thousands more of them expected in looming, unstoppable waves. And imagine, too, that we know some of the aliens are here to help us, to make our planet better, smarter, and more efficient. But we also know that some of the aliens are here to do us harm, perhaps injure us irreparably. What we don’t know is this: which aliens will be good to us, and which will be malevolent? That is the situation with AI. But it is more complicated tha