Ever wonder how avocados from Mexico, apples from Washington and cheese from Italy can all arrive at your local grocery store just as they are ready to be consumed? UT-Austin food scholar Robyn Metcalfe joins host Krys Boyd for an around-the-world tour of the global food supply chain, which she writes about in “Food Routes: Growing Bananas in Iceland and Other Tales from the Logistics of Eating” (MIT Press).