What do America’s billionaires feel about the burning issues of the day? They’d rather not say—in public… Can American democracy survive the grand — and growing — personal fortunes of America’s billionaires? A just-released Institute for Policy Studies report, Billionaire Bonanza 2018, offers ample cause for worry. The families of America’s top billionaires, the study shows, are becoming multi-generational dynasties. The 15 wealthiest of these dynasties hold fortunes worth a combined $618 billion.