Go to Federalreserve.gov. Click on "Economic Research & Data" and select "Statistical Releases and Historical Data" on the left hand side. From there go to "Assets and Liabilities of Commercial Banks in the U.S.," which is listed under "Bank Assets and Liabilities." Examine the assets and liabilities of commercial banks from 2005 to 2010. Since 2005, what has happened to the value of real estate loans? How is this change connected to the financial crisis?