Most of the names are familiar to those who follow politics and government. Hunter Biden, Rudolph Giuliani, Tony Podesta, Paul Manafort, and many others. Kenneth Vogel has written a book about these figures. It's called "Devils' Advocates: The Hidden Story of Rudy Giuliani, Hunter Biden, and the Washington Insiders on the Payroll of Corrupt Foreign Interests." In the publisher Morrow's liner notes on the book, they write: "The foreign influence business comprised of shadowy operators who quietly shaped US foreign policy while producing massive paydays for themselves has existed for decades, often unnoticed by Americans." Ken Vogle is a reporter for the New York Times.

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