IMG confident Circuit of Americas investment will help World Rallycross to go global

In this week's US sports industry round-up: FIFA World Cup ratings recovering from rough start | Rhode Island legalizes sports gaming | NASCAR looking at changing sponsorship model 

SpeedMachine, the new Silverstone rallycross motorsport festival from WME | IMG, mixes the best of cars, music and food. Ben Cronin asks if there is an appetite for this kind of event.