@bennpeifert One theme of "A History of U.S. in Five Crashes" is every modern crash is fueled by a financial contraption which injects financial leverage into system which is on edge.  1907 - Saving trusts 1929 - Investment trusts 1987 - Port. insurance 2008 - MBS 2010 - Algorithmic trading  https://t.co/gVcrGh50cV