Rosberg says tyre breakthrough close

Nico Rosberg believes Mercedes' improving form is set for a further boost soon, with the team confident it can unlock the secrets of the 2012 tyres. The German is the highest scoring driver from the last four races, with a run of form that has seen him emerge as a dark horse contender for the world championship.

Source: http://www.iracing.com/inracingnews/formula-one-news/f1-formula-one-news/rosberg-says-tyre-breakthrough-close

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