margaret warner gets the details from marcia coyle of the "national law journal." >> brown: and the latest late night drama, as nbc drops jay leno from its primetime lineup. >> you know, actually if they did cancel us, it would be an easy move for me, because i still haven't unpacked from the last show they cancelled us from. so everything's still back there, so it's fine! >> ifill: that's all ahead on tonight's pbs newshour. major funding for the pbs newshour is provided by: >> what the world needs now is energy. the energy to get the economy humming again. the energy to tackle challenges like climate change. what if that energy came from an energy company? every day, chevron invests $62 million in people, in ideas-- seeking, teaching, building. fueling growth around the world to move us all ahead. this is the power of human energy. chevron. >> this is the engine that connects abundant grain from the american heartland to haran's best-selling whole wheat, while keeping 60 billion pounds of carbon out of the atmosphere every year. bnsf, the engine that connects us. the william and flora he