By sacking Christian Horner, Red Bull has made a big change to try to return to F1 winning ways. But there are other steps it must take, too

Axed Red Bull team principal Christian Horner recently gave a heartbreaking answer to a question about where he could work after 20 years at the Milton Keynes-based outfit. The Brit had been in charge at the team since their inception in the sport back in 2005,