Hamilton Not Worried About Departure of McLaren Boss

Lewis Hamilton says he is not concerned about the strengthening speculation that McLaren boss Ron Dennis is set to imminently step back from the helm of the British team.The 23-year-old driver has long been a protege of Dennis, who at 60 is understood to be on the verge of announcing that Martin Whitmarsh will succeed him after nearly three decades in control of the Woking based outfit.