Why is the financial world reeling from the shock of the sub-prime loan meltdown? What's behind the economic disaster that hit so quickly in 2008? The answer is quite simple, but the solution may not be so easy to accept. What is the heart and core of the problem? The United States is now losing its preeminence as the world's economic leader. We need to prepare for tough times ahead. Do you want to know what you can do? Watch video to find out.