McLaren's Whitmarsh on new engines, new rules & new drivers

McLaren's Whitmarsh on new engines, new rules & new drivers: "'Mixed' would be the word to describe McLaren's form recently. From the depths of Jenson Button's and Lewis Hamilton's Montreal collision to the heights of Button's subsequent victory, it's been a rollercoaster ride of emotions, especially for the man at the helm, team principal Martin Whitmarsh. Not only has Whitmarsh had to shoulder the on-track shenanigans, he's also been kept busy with off-track negotiations concerning new engine rules for 2014, mid-season regulation changes and a fair dose of speculation concerning his driver line-up. He explains more in a Vodafone McLaren Mercedes Phone-in…"