The world title to be decided in the GP this weekend . Sebastian Hamilton leads Fernando Alonso by two points going into race at Interlagos . Vettel bidding for third straight title in his Red Bull . `` We are in a strong position , we can be happy with that , but we have to focus on every single step to get the job done here , '' added the 25-year-old German , who would be the youngest driver to achieve a hat-trick of world championships . Ferrari 's Alonso is a two - time former champion .
The world title to be decided in the GP this weekend . Sebastian Hamilton leads Fernando Alonso by two points going into race at Interlagos . Vettel bidding for third straight title in his Red Bull . Ferrari 's Alonso is a two - time former champion .