The end of the decade of the 21st century was the best of times and the worst of times. Finally, America understood the consequences of global warming; a sea change occurred when it elected a Black President, but in the end, it faced disaster when the subprime mortgage debacle almost brought the financial system to its knees. Program 4 *2007 Al Gore Wins Nobel Peace Prize for Work on Climate Change *2008 Barak Obama Wins Presidency *2009 America Responds to a Deep Recession