Experts analyze the enemy in Iraq and ask: Is it a civil war or the front line of a global war?

As the Bush administration promotes the idea that Al Qaeda is the enemy in Iraq, BILL MOYERS JOURNAL analyzes the facts on the ground to explore who the U.S. is really fighting. Also on the program, a report on the hidden spending provisions used by Congress known as earmarks - "pipelines of cash"added to legislation without any debate, public hearing or oversight - which are often used as payback for political contributions. As Congress works to put reforms in place, is it business as usual?