Why does he need to 'prove' anything as the only motive to be in F1?
Swap "prove" for "achieve" and think that's probably more the point.
Why does he need to 'prove' anything as the only motive to be in F1?
Just a thought - If Bernie thinks Horner will be his ideal replacement, what about Ross Brawn taking over now he's free and Horner isn't interested?