On this edition of Wall Street Week, Bob Diamond, Atlas Merchant Capital CEO & Founding Partner and Afsaneh Beschloss, RockCreek Founder & CEO wrap up a tough week in the markets. Randy Kroszner, Chicago Booth School Professor of Economics & Former Federal Reserve Governor discuss next week's key FOMC decision. Plus, Lawrence H. Summers, Former U.S. Treasury Secretary talks about inflation expectations and reducing the Fed's balance sheet.