Two big companies have hatched a plan that could allegedly take money out of the pockets of ordinary Americans. And it’s not just any money: it’s our beer money. Anheuser-Busch InBev, the biggest brewer in the world, wants to buy Grupo Modelo, the maker of Corona. The U.S. Department of Justice is suing to block the acquisition. On today’s show: The story behind the case, and what it says about monopolies, competition and government regulation. Music: Rihanna’s “Cheers (Drink to That)” Find us: Twitter/ Facebook/ Spotify/ Tumblr. Download the Planet Money iPhone App.