The President’s Real Constitutional Challenge Is the Veto, Not the Signing Statement

When a president signs a bill into law and then announces that parts of it are unconstitutional and won't be enforced, the press often calls it a "constitutional challenge." That framing has it exactly backwards. The Constitution already gives the president a perfectly good way to challenge a bill's constitutionality. It's called the veto. If a president signs the bill anyway, the constitutional challenge isn't to Congress. It's to the president's own oath.

Let me be direct from the start. I am not interested in defending one party or attacking another. This is a structural problem that has grown under presidents of both parties. What interests me is what the text of the Constitution says, what the Founders intended, and what a republic of laws requires. On all three counts, the signing statement that declares part of a law unconstitutional and directs non-enforcement is a failure-not a bold defense of the Constitution.

The Constitution gives the president a binary choice

Article I, Section 7 of the Constitution could not be plainer. Every bill that passes the House and Senate must be presented to the president: "If he approve he shall sign it, but if not he shall return it, with his Objections to that House in which it shall have originated." That is a binary choice. Approve and sign. Disapprove and return with objections. There is no third box marked "sign it, then declare parts of it dead on arrival while claiming the moral high ground."

The Framers debated this arrangement carefully. In Federalist No. 73, Alexander Hamilton explained that the veto exists for two reasons. First, it lets the president defend the executive branch against legislative encroachment. Second, and more importantly for our purposes, it increases "the chances in favor of the community against the passing of bad laws, through haste, inadvertence, or design." Read that again. The veto is the constitutional mechanism for stopping bad laws before they take effect. It is the president's opportunity to identify a constitutional defect, explain it to the American people, and force Congress to fix the problem or override him. That is the challenge the Founders designed. It is not a signing ceremony followed by a legal memo that quietly guts the law.

The oath turns a signing statement into a self-inflicted wound

Now look at Article II. The president swears to "preserve, protect and defend the Constitution" and to "take Care that the Laws be faithfully executed." Here is the problem many defenders of the signing statement would rather not confront: if the president genuinely believes a provision of the bill is unconstitutional, and he signs it anyway, he has just sworn to faithfully execute a law he says violates the Constitution. Then he announces that he will not faithfully execute all of it. That is not constitutional courage. That is self-contradiction.

A president in a republic of laws does not get to sign a bill and then decide which paragraphs he will honor. That is the logic of a monarch issuing a dispensation from a royal decree, not an executive bound by a written text. John Adams gave us the standard when he wrote into the Massachusetts Constitution the goal of "a government of laws and not of men." The signing statement that nullifies a provision after signature moves us in the opposite direction.

I am not talking about routine interpretive statements in which a president explains his understanding of an ambiguous statute. Presidents have done that since the early republic, and there is nothing inherently wrong with it. The problem is the signing statement that announces a constitutional objection and directs the executive branch not to enforce a provision the president just signed. That is a different animal entirely.

The "but I must not enforce an unconstitutional law" objection

I can hear the objection already: "The president's oath to the Constitution is higher than a statute. If a law is unconstitutional, he should refuse to enforce it." That argument is half right. The president should not enforce unconstitutional laws. But the Constitution already tells him what to do about it: veto the bill.

That is the whole point of the presentment clause. The president is not a one-man Supreme Court sitting at the end of Pennsylvania Avenue issuing post-signature nullifications. He is a participant in the lawmaking process. If he believes a bill is unconstitutional, he returns it with his objections. If Congress overrides the veto, the bill becomes law anyway, and the courts can then decide its validity. That is the system. It is not perfect, but it is the one the Framers wrote down.

What a signing statement does is let the president skip the hard veto fight, take credit for signing the popular parts, and then quietly nullify the unpopular or constitutionally doubtful parts. That is not statesmanship. That is political convenience dressed up as constitutional interpretation.

Consider the model George Washington established. His first veto, in 1792, was a constitutional objection to an apportionment bill. He did not sign the bill and then instruct his administration to ignore the parts he considered invalid. He returned it to Congress with his objections. Congress then passed a revised bill. That is how a president challenges a bill's constitutionality. He does it in the open, before the bill becomes law, and he lets the legislative branch respond.

A line-item veto by another name

The Supreme Court already told us that this logic is unconstitutional in another form. In *Clinton v. City of New York*, the Court struck down the line-item veto because the Presentment Clause requires the president to accept or reject a bill as a whole. He may not sign a bill and then cancel individual provisions.

A signing statement that directs non-enforcement attempts to do exactly that-by executive memorandum rather than by statute. The president signs the whole bill, then functionally erases a part he does not like. That is the line-item veto returning through the back door while wearing a legal memo as a disguise. If a president cannot be given the power to cancel a spending item after signing, he certainly should not be able to achieve the same result by issuing a press release and telling agencies to ignore the law. The constitutional structure does not change its meaning simply because the president finds a friendlier procedural vehicle.

The incentive problem should alarm every friend of limited government

There is a deeper rot here, and it is one Thomas Sowell or Henry Hazlitt would spot immediately. The signing statement creates terrible incentives. Congress learns that it can pass sprawling, multi-thousand-page bills stuffed with unconstitutional provisions, and the president will sign them and "handle" the bad parts later. That lets legislators avoid hard votes and take credit for spending while the executive absorbs the blame for non-enforcement.

The seen benefit is that Washington avoids a shutdown or a messy veto fight. The unseen consequence is that the separation of powers decays, the rule of law becomes negotiable, and the ordinary citizen can no longer know what the law actually is from one administration to the next. If a law means one thing when one party holds the White House and something else when the other party does, then you do not have a government of laws. You have a government of presidential moods.

That is toxic for liberty. Limited government depends on predictable rules, not on the discretion of whichever executive happens to hold the signing pen. When the president can nullify a provision by memo, every citizen's rights become contingent on administrative goodwill. That is the opposite of the constitutional order our Founding generation bled to establish.

The real constitutional challenge is the veto

Let me be blunt, because this is a matter of principle, not party. If a president believes a bill contains an unconstitutional provision, the answer is not a signing statement. The answer is a veto message explaining exactly which provisions are unconstitutional and why. Send it back to Congress. Force the people's representatives to fix it or override it. That is the constitutional challenge the Framers designed.

Yes, that is harder. It may cost political capital. It may force a president to veto a bill with good parts and bad parts. It may even lead to a government shutdown if Congress refuses to act. But the Constitution was not designed to make presidents comfortable. It was designed to keep power separated and liberty intact. Comfort is not one of the enumerated purposes of the executive branch.

The next time any president-Republican or Democrat-signs a bill and then announces he will not enforce part of it, do not call it a constitutional challenge. Call it what it is: a failure to use the veto, a blow to the rule of law, and a president trying to govern like a king with a signing pen. The Founders gave the president one weapon to challenge unconstitutional legislation before it becomes law. It is called the veto. The real constitutional challenge is whether a president has the courage to use it.