I'm happy to announce that Houghton Mifflin Harcourt, publisher of many a fine book over the decades, will be publishing "The Orchid and the Dandelion" (working title), in which I'll explore further the emerging "orchid-dandelion hypothesis" I wrote about in my recent Atlantic story. (In brief, that hypothesis -- a simple but deeply transformative amendment of current views -- hoids that many 'risk genes' for behavior and mental problems magnify not just maladaptive responses to bad environments but advantageous responses to good environments. That is, these "risk genes" confer not just…