In a new video, Robert Redford calls on President Obama and Members of Congress to use the Gulf Coast oil spill to build momentum to pass clean energy legislation. Debuted on Tuesday, the spot is being aired by the Natural Resources Defense Council on the web as well as national cable. Greg Sargeant’s blogging, “There are still no signs that the massive environmental calamity in the Gulf will prove a real game changer…in the Senate's ongoing climate change debate.” But Sargeant thinks this ad is just the first step in urging the President to act quickly on climate change. He continues, “The push suggests that environmental groups are going to ratchet up the pressure on Obama to seize on one of the most devastating environmental disasters in history to change the conversation on energy once and for all. Good”