End of Wall Street: Why it Happened Chapter Two: What was going through the minds of CEOs, corporate boards, fund managers and mortgage lenders as they created hard-to-understand derivatives Warren Buffett once called "weapons of financial mass destruction." End of Wall Street: Why it Happened Chapter Two: What was going through the minds of CEOs, corporate boards, fund managers and mortgage lenders as they created hard-to-understand derivatives Warren Buffett once called "weapons of financial mass destruction." hertzberg wessel murray end wall street financial meltdown crisis lehman bear stearns buffett kansas