In this episode, meet A.J. Heindel and a bottle of bourbon worth more than $48,000. Hear how high-end spirits reach the auction market, and who exactly is buying whiskey that costs more than $1,000 a bottle. From the Crain’s newsroom, Ally Marotti reports on a new feature for users of reservation platform Tock. Plus, in this edition of “Where Dave Ate,” host David Manilow walks us through his dining experiences in Chicago’s Edgewater neighborhood. In just a matter of blocks, he takes us to Ethiopia, Mexico, China, Sicily and more.