Brazil GP: Rosberg and Hamilton resume title duel at Interlagos.

Brazil's Interlagos circuit is set to take center stage in the battle to see who will be crowned 2016 Formula One world champion.

Once again, the focus is on the often fraught rivalry between Mercedes teammates Lewis Hamilton and Nico Rosberg.
Rosberg leads the Briton by 19 points heading into the penultimate race of the season and victory on Sunday will secure his first drivers' title, but the German will also be crowned champion if Hamilton finishes down the order.
"It's awesome to be fighting for the world championship with two races to go and so, yeah, excited about the weekend, looking forward to it and of course going to try to go for the win," Rosberg said at the driver's pre-race press conference.
Three-time champion Hamilton has never won the Brazilian Grand Prix but if he takes the checkered flag the title will be decided at the season finale in Abu Dhabi later this month.
F1 2016 drivers championship (after 19/21 rounds)

Nico Rosberg (Mercedes) 349 points

Lewis Hamilton (Mercedes) 330

Daniel Ricciardo (Red Bull) 242

Sebastian Vettel (Ferrari) 187

Kimi Raikkonen (Ferrari) 178

The Mercedes driver's duel has occasionally turned ugly. The pair clashed on the track in a second-corner incident at the Spanish Grand Prix in May this year, putting them both out of the race. They also collided at the climax of the Austrian Grand Prix in July.
Tensions have spilled over off the track too.
Ahead of last year's podium ceremony at the US Grand Prix, Hamilton tossed a cap in Rosberg's direction only for the German to frustratedly sling it back -- Hamilton's had just clinched the world title with victory in Austin.
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But while the relations between two drivers has been strained at times, it's never reached breaking point -- a testament to the Mercedes team's man-management skills, argues Ross Brawn, who was team principal at the German constructor from 2010 to 2013.
"They've had their ups and down," Brawn told CNN, but believes they are both happy at Mercedes and want to stay.
"If you look at Prost-Senna or other situations where two drivers are fighting genuinely for a world championship, it's a pretty delicate situation. It's easy for that stuff to boil over.
"I think it's a testament to both Nico and Lewis and the management of the team which has kept it fairly level."