“Land of Cockaigne, that doesn’t work’: At “Illner”, top economist Fuest makes a clear statement to Lang and Lindner. “Economy on the verge of a crash – traffic lights without a course?”: The guests of the show Ricarda Lang, federal chairwoman of the Alliance 90/The Greens party Christian Lindner, FDP party leader and Federal Finance Minister Clemens Fuest, entrepreneur Bertram Kawlath.