ARTHUR B. LAFFER, PhD, is the founder and chairman of Laffer Associates, an economic research firm focusing on interconnecting macroeconomic, political, and demographic changes. STEPHEN MOORE is chief economist at The Heritage Foundation. He focuses on budget, tax, and monetary policy. REX A. SINQUEFIELD was a co-founder and director of Dimensional Fund Advisors LP. Since retirement, he has become one of Missouri’s leading philanthropists and a dedicated supporter of public policy change. TRAVIS H. BROWN is the CEO and co-founder of Pelopidas, LLC, a public affairs and issue-advocacy firm. He frequently contributes to Fox & Friends and Forbes.com and is the author of How Money Walks.