David, Joanna and Christopher talk about the Journal's scoop on Apple News' subscription plans, and whether "Netflix for news" can work. Reporter Greg Bensinger shows up to explain why Silicon Valley suddenly can't get enough of food delivery. Then, WSJ's Rolfe Winkler and 23andMe CEO Anne Wojcicki debate the merits of in-home DNA tests-and what you can do with all that personal data-in an excerpt from last week's WSJ Health Tech Conference.