Christian Horner’s lengthy tenure at Red Bull ended in a surprise snub, leaving the Briton suddenly out of a job. Now, an ex-Formula One driver is calling him the “winning formula” Ferrari desperately seeks.

Cadillac is emerging as a leading name under consideration for a coveted spot on the Formula 1 grid. As the BBC’s Ask Me Anything team explores their potential entrance, questions mount on what this storied automotive brand will bring to the world’s fastest motorsport.