McMansions: The Latest Battle Front against Global Warming

Few members of Congress have done more to protect the auto industry from tough pollution controls than John Dingell of Michigan. But now Dingell has not only changed course and embraced the need to slash emissions, he has suggested increased taxes to do the job – on big houses. Can more efficient homes solve the global warming crisis? Also, does the latest economic news signal a recession on the horizon?  On Reporter's Notebook, President Bush opens up about how he made some of his most important decisions.  Jim Sterngold guest hosts.