...after years of public pressure, activists say Big Oil has begun to change its approach to human rights issues, with many showing signs they are taking it more seriously than ever..."Ten years ago, companies did not feel like they needed to come out with a human rights policy and today they all do," said Arvind Ganesan, director of business and human rights program at Human Rights Watch..."Whether it's stuff that's just on paper is the multibillion dollar question..." said Mila Rosenthal, director of the business and human Rights Program at Amnesty International USA. "They've come some ways in terms of the public commitments. What we're waiting to see is if it's having enough impact on the ground."