On this week’s Tech Nation, Moira speaks with the people who predict the weather - Todd Hutchinson, the Director of Numerical Weather Prediction at The Weather Company, and Cameron Clayton, the General Manager of Watson Media & Weather. And another question – what’s in the food we eat? And where did it come from? Moira speaks with Brigid McDermott, Vice President of IBM Food Trust. From one field to one processor to one supermarket, technology can keep tiny problems tiny.