Lewis Hamilton says he will try to beat teammate Nico Rosberg by as big a margin as possible in Abu Dhabi, even though it may prove futile in his pursuit of a fourth world championship.Rosberg leads Hamilton by 12 points ahead of the final race of the season in Abu Dhabi, meaning Hamilton has to hope his teammate finishes off the podium to stand a chance of winning the title. The British driver has won the last three races with convincing margins over his teammate, but Rosberg has only had to finish second each time in the knowledge that he is still on course for the title.Faced with a title showdown that is not in his hands, Hamilton said all he can do in Abu Dhabi is try to beat Rosberg by the biggest margin possible.Obviously I have to continue what Im doing, he said. Nicos finished every single race this year apart, obviously, from Barcelona which we both didnt finish so hes had fantastic reliability, so I think right now, as the way its going its going to be very hard to beat him.That doesnt mean I cant win the race, so Im going to take the energy I have now and the speed that I have -- which has been great these past few races -- and really try to push as hard as I can in that race to get as far ahead. Its all I can do.Although Rosberg only has to finish third in Abu Dhabi, he said he will try to emulate his victory at Yas Marina last year.Well, its going to be a great, exciting race weekend, a great battle for sure. I would like to win the race and Im going to try and do that for sure. Ive had good experience there in the past but of course thats not going to help this year.You know we all start from zero this year, every time we go to a different track. Yeah, feeling good so lets see. 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They say that violates Supreme Court rulings that insist each subgroup in a class action settlement be treated fairly.The petition, filed Monday, echoes earlier complaints that the lead players lawyers signed a quick deal with the NFL in 2013 favoring their clients over thousands of others.Lawyers on the Plaintiffs Steering Committee, who negotiated the deal, reject those arguments and say the appeals are holding up payments that ailing retirees need. The NFL declined to comment on Wednesday.The 31 petitioners include a number of men who played for the Dallas Cowboys, including 1996 Super Bowl MVP Larry Brown and Hall of Famer Charles Haley.Their lawyer, Deepak Gupta, said the Supreme Court had not reviewed a case involving the disparate treatment of class action subgroups in about 20 years. Meanwhile, he said, the federal appeals court in Philadelphia that upheld the NFL settlement has a different view of the issue than its counterpart in New York. That could pique the Supreme Courts interest.According to the petition, the family of former Chicago Bears safety Dave Duerson, who was found to have CTE after his 2011 suicide, can seek an award of up to $4 million while the family of former Oakland Raiders quarterback Ken Stabler, whose CTE was diagnosed after his July 2015 death, cannot.CTE, a degenerative diseasee found in people whove suffered severe hits to their heads or repeated concussions such as boxers and other athletes, currently can be diagnosed only at autopsy, although scientists hope to diagnose it in the living within the next decade.ddddddddddddThe settlement covers future cases of Alzheimers disease, Parkinsons disease, Lou Gehrigs disease and dementia but not CTE.Seeking to head off a tsunami of future claims, Gupta wrote in the petition, the NFL pushed for a global settlement of all current and future claims -- while compensating only current CTE claims.Supporters of the settlement say it compensates future cases of dementia. But the payout for dementia is expected to average $190,000, compared with $1.44 million for CTE, the petition said. Gupta and other critics also complain the plan does not compensate the depression, mood swings and memory loss they consider precursors to dementia and a CTE diagnosis.It could be months before the Supreme Court decides whether to hear the case. The earlier petition was filed by the family of former Buffalo Bills fullback Carlton Cookie Gilchrist.The Plaintiffs Steering Committee lawyers on Wednesday pointed to the 3rd U.S. Circuit decision that found the award scheme fair, reasonable and adequate.The settlement would resolve thousands of lawsuits that accuse the NFL of hiding what it knew about the risks of football concussions. The settlement, overseen by Senior U.S. District Judge Anita B. Brody, is designed to cover about 21,000 retirees for 65 years. About 9,000 of them have signed up for information, the plaintiffs lawyers said. ' ' '