Rachel Brookes discusses Red Bull's difficult pre-season, talk of a B-spec car and if Sebastian Vettel really threw a hissy fit in Jerez with Team Principal Christian Horner.
Exclusive Christian Horner Q&A: Red Bull boss discusses their difficult pre-season
Team Principal quizzed on cooling issues, talk of a B-spec car and if Sebastian Vettel really threw a hissy fit
By William Esler