“Throughout the century that I examined, which began with the Panic of 1907 … what I found by accessing the archives of each president is that through many events and periods, particular bankers were in constant communication [with the White House] — not just about financial and economic policy, and by extension trade policy, but also about aspects of World War I, or World War II, or the Cold War, in terms of the expansion that America was undergoing as a superpower in the world, politically, buoyed by the financial expansion of the banking community.”