Barrie Thomlinson: Toyota racing series founder and motorsport analyst on Christian Horner's sacking from Red Bull

Christian Horner has been sacked as Red Bull team principal.  The 51-year-old had been in the role since 2005, overseeing eight drivers' world championships and six constructors' titles.    Founder of the Toyota racing series Barrie Thomlinson joined Piney to discuss what happened behind the scenes at Red Bull that led to his sudden exit.  LISTEN ABOVE See omnystudio.com/listener for privacy information.