There's one thing our leaders lack and anyone who seeks to be a leader in our country needs to become fluent again in - is our Constitution and the lives of the men who created it.
The Federalist Papers and Antifederalist Papers would be a significant step.
Here's a list of suggested reading -
The Bible (I won't recommend any specific version, however I do not recommend anyone use the NIV)
The Sovereign Individual by James Davidson & Lord William Rees-Mogg
Constitutional Income: Do You have Any? by former Idaho Rep. Phil Hart
Lincoln Unmasked by Thomas J. DiLorenzo
Overthrow: America’s Century of Regime Change from Hawaii to Iraq by Stephen Kinzer
Red Republicans and Lincoln’s Marxists: Marxism in the Civil War by Walter D. Kennedy and Al Benson, Jr.
The Costs of War: America’s Pyrrhic Victories by John Denson
Crossing the Rubicon: The Decline of the American Empire at the End of the Age of Oil by Michael C. Ruppert
President Who?: Forgotten Founders by Stanley L. Klos
Free, Sovereign, and Independent States: The Intended Meaning of the American Constitution by John Remington Graham
Empire of Debt by Bill Bonner and Addison Wiggin
The People Themselves: Popular Constitutionalism and Judicial Review by Larry D. Kramer
Ideas Have Consequences by Richard M. Weaver
Democracy in America by Alexis deTocqueville
A History of Money and Banking in the United States by Murray N. Rothbard
The Case Against the Fed by Rothbard
Blood Money: The Civil War and the Federal Reserve by John Remington Graham
Barbara Villiers or, A History of Monetary Crimes by Alexander del Mar
America’s Caesar: The Decline and Fall of Republican Government in the United States of America by Greg L. Durand
It’s the Crude, Dude: Greed, Gas, War, and the American Way by Linda McQuaig
Wilson’s War: How Woodrow Wilson’s Great Blunder led to Hitler, Lenin, Stalin & World War II by Jim Powell
FDR’s Folly: How Roosevelt and his New Deal prolonged the Great Depression by Jim Powell.
Day of Deceit: The Truth about FDR and Pearl Harbor by Robert B. Stinnett
The Beast on the East River: The U.N. Threat to America’s Sovereignty and Security by Nathan Tabor
Income Tax: Shattering the Myths by David A. Champion
This Bloodless Liberty by David M. Zuniga
The New American Militarism by Andrew Bacevich
Money, Bank Credit, and Economic Cycles by Jesus Huerta deSoto
Organized Crime: The Unvarnished Truth About Government by Thomas J. DiLorenzo
Hamilton's Curse by Thomas J. DiLorenzo.
Biblical Economics in Comics by Vic Lockman
The Betrayal of the American Right by Murray Rothbard
Deflation & Liberty by Jorg Guido Hulsmann
The Fourth Turning by Strauss & Howe
Griftopia by Matt Taibbi
The Unpopular Mr. Lincoln: The Story of America's Most Reviled President by Larry Tagg.
The Harbinger by Jonathan Cahn
The Creature from Jekyll Island by G. Edward Griffin
