evidence: With food as this issue’s theme, Luckbox assesses the proposed Kroger-Albertsons merger, explores a series of scientific breakthroughs that may prove as important as the discovery of vitamins, and sorts out the truth and fiction surrounding the potentially vital health benefits of extra virgin olive oil. This edition also addresses Portillo’s hot dog nation aspirations, explains why potash looks like a long-term buy and uses Beyond Meat as a study in short selling. There’s advice on how to trade grain during the Ukraine war, a profile of a venerable yet cutting-edge manufacturer, and revealing roundups from Pitchfork and Lollapalooza.