Hub-and-spoke conspiracy involving other actors who are cooperating with the hub in carrying out the scheme. It is controversial, particularly in the antitrust cases, how much knowledge spoke actors must have of the conduct of other spoke actors—which is to say how much of a "rim" must be put around the "wheel" of the hub-and-spoke conspiracy for it to be a single conspiracy rather than many separate "vertical" conspiracies. There is a controversy and some uncertainty over the legal status of the "rimless" conspiracy—one with very limited interaction among the spokes. The leading two Supreme Court cases were "Interstate Circuit" and "Kotteakos".
Carcassonne: Wheel of Fortune not involve any new mechanics (primarily from "Carcassonne: Inns and Cathedrals", "Carcassonne: Traders and Builders", and "Carcassonne: King and Scout"). However, certain tiles have additional markings significant to this expansion. The new feature of "Wheel of Fortune" is the namesake wheel, which takes the place of the starting tile. The wheel consists of a number of spaces, and players, in place of placing followers on the tile they just played, may place tiles on spaces along the rim of the wheel. Each space on the wheel may have one or two spaces on the rim. In addition, a pig-shaped marker