Motor racing-Liberty completes F1 takeover, Ecclestone replaced

Signalling the end of an era, Liberty said in a statement that it had completed the acquisition of Formula One and appointed Chairman Carey to the additional role of Chief Executive. Ecclestone will become 'Chairman Emeritus', with Liberty saying he would remain "available as a source of advice for the board of F1". Liberty also named two managing directors -- former Ferrari technical director and ex-Mercedes team boss Ross Brawn for motorsports and former ESPN executive Sean Bratches for commer