Kimi Raikkonen's return to Formula 1 means there will be six world champions on this year's grid, creating an extraordinary depth of talent arguably unrivalled in any other sport.

But when the Finn left Formula 1 in 2009, having won the world title in 2007 with Ferrari, he seemed tired of many aspects of the sport.

Will his absence have boosted his motivation? Can he recapture his former glories? What can he expect to achieve? BBC F1 co-commentator David Coulthard analyses the 32-year-old's return.

Full Article: http://www.bbc.co.uk/sport/0/formula1/17346735