>> translator: with mignini's main witness being challenged, it leaves only the scant dna evidence. and that, too, is about to be challenged. n ] america is facing some tough challenges right now. two of the most important are energy security and economic growth. north america actually has one of the largest oil reserves in the world. a large part of that is oil sands. this resource has the ability to create hundreds of thousands of jobs. at our kearl project in canada, we'll be able to produce these oil sands with the same emissions as many other oils and that's a huge breakthrough. that's good for our country's energy security and our economy.