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Can a president reshape war powers without waiting for congressional reform?

September 19, 2026 3 Takeaways™ · Jay Johnson

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The president holds the unilateral power to reset the war powers imbalance by choosing to respect the constitutional norm of congressional war declarations—not through legal constraints, but through voluntary constitutional practice. This requires no congressional reform, no constitutional amendment, only a presidential decision to seek approval voluntarily despite legal authority to act alone.

The core issue is simple: executive branch lawyers consistently tell presidents they have legal authority to wage war in multiple circumstances without a formal congressional declaration. This legal freedom has created an imbalance that favors unilateral action.

Yet law and norm are distinct. A president who respects the constitutional norm—the original intent that Congress should declare wars—can unilaterally alter this dynamic by choosing restraint. As Jay Johnson explains in the episode, the constitutional framework was designed to slow decisions about war. Presidents can resurrect this slowness without waiting for formal legal reform.

Norm trumps law in constitutional practice

The Constitution does not automatically enforce itself. Constitutional norms—the unwritten rules presidents and Congress have historically followed—shape how power actually operates in practice. When a president breaks a norm, he hasn't broken a law; he's changed the precedent for future presidents.

Conversely, when a president respects a norm despite having legal authority to ignore it, he reinforces it. President George H.W. Bush's decision to seek congressional approval for the Gulf War illustrates this principle. His lawyers had confirmed he possessed legal authority to act unilaterally, yet he chose to go to Congress anyway. That choice was largely political, but it anchored the norm.

Johnson, who served as General Counsel of the Department of Defense and later as Secretary of Homeland Security, witnessed this dynamic firsthand in rooms where national security decisions are made. The constraint was never the law—it was the expectation that leaders would follow constitutional tradition.

The presidential choice is the lever

Reform-minded observers often focus on congressional action: stricter War Powers Resolution amendments, sunset clauses on military authority, or legislative budgetary controls. Those may matter over time. But a single president can immediately shift the balance by choosing voluntary restraint.

This doesn't require convincing Congress. It doesn't require amending the Constitution. As discussed in this conversation with Jay Johnson, it requires a president who believes that respecting constitutional norms is a leadership responsibility, not a legal burden. That president can commit—to Congress, to the public, to advisors—to seek a formal war declaration before committing the nation to major military action, regardless of what lawyers in the Office of Legal Counsel say is technically permitted.

"You rarely have all the facts before you have to make a decision. You had to make a judgment based on what you know and what you didn't know, and it was not going to get any better anytime soon."

Johnson's point applies directly to this question: uncertainty will never disappear before a war decision. Presidents cannot wait for perfect clarity to act. But that urgency is exactly why the constitutional norm of congressional approval matters—it forces deliberation and collective judgment even under time pressure.

Discover the deeper context behind this shift in the full episode, where Johnson explores how advisors with conflicting viewpoints drive better crisis decisions and why Congress has declared war only five times in American history—not once since World War II.

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