(LibertySociety.com) – Congress’s power to oversee national security and spending is quietly slipping away, while most Republican leaders seem too timid, or too calculating, to stop it.
Story Snapshot
- Presidents from both parties have steadily seized more control over national security and spending, often sidelining Congress.
- Republican congressional leaders have largely failed to challenge executive overreach, despite constitutional duties.
- This erosion of oversight risks tilting the balance of power, threatening long-term democratic norms and accountability.
- Massive defense spending and secretive policies now move forward with little real debate or transparency.
Presidential Power Expands, Congress Stands Aside
The U.S. Constitution assigns Congress the power of the purse and a critical oversight role over the executive branch, especially in national security. Yet over the last two decades, presidents have increasingly pushed those boundaries. After 9/11, Congress itself granted broad powers through laws like the Patriot Act and the Authorization for the Use of Military Force. Since then, executive orders, emergency declarations, and refusals to comply with subpoenas have become standard tools for the White House to bypass or stall legislative oversight, a trend that escalated sharply during the Trump administration, when aggressive assertions of executive privilege and outright defiance of congressional subpoenas became the norm.
Republican leaders in Congress, despite holding majorities at various points, have rarely mounted an effective challenge. Instead, most have chosen party loyalty or political expedience over institutional prerogative. The result is a legislature increasingly marginalized in national security and fiscal policy, often relegated to rubber-stamping executive priorities or fighting rear-guard actions over the details.
Bipartisan Patterns, but a New Level of Timidity
Presidential encroachment on congressional turf is not new, nor is it limited to one party. The Obama administration launched military actions and surveillance programs with minimal congressional approval. The Biden administration has continued the expansion of executive authority, particularly in areas like cyber defense, surveillance, and foreign policy. Yet it is the Republican response, or lack thereof, during and after the Trump years that stands out. Congressional Republicans have repeatedly failed to confront the executive branch, even as it bypasses their committees, ignores subpoenas, and spends billions with little debate. Some dissent exists, but it is usually limited, fragmented, and easily sidelined by leadership prioritizing party unity.
What makes today’s situation so alarming is the open normalization of these power grabs. The recent passage of the FY 2025 National Defense Authorization Act, for example, authorized $895.2 billion in defense spending with minimal substantive debate. Congressional leaders touted bipartisan wins, but critics point out that the real victories were for an executive branch that faces less scrutiny than ever. Surveillance programs like FISA Section 702 were renewed with only minor reforms, keeping the most sensitive oversight largely out of public view.
Checks and Balances at Risk
This gradual surrender of congressional authority is not just an inside-the-Beltway squabble. The consequences are profound and far-reaching. When the power to spend, surveil, or wage war moves into fewer hands, and those hands increasingly disregard oversight—the American public loses its main line of defense against abuse, waste, and secrecy. Watchdog groups and civil society organizations warn that transparency is evaporating precisely where it matters most: defense, intelligence, and emergency spending.
Experts from across the spectrum have raised alarms. Legal analysts at Just Security describe a “noteworthy escalation” in the executive branch’s disregard for congressional checks. Brookings analysts call the Biden national security record “solid but unspectacular,” noting bipartisan legislative wins but ongoing gridlock and unaddressed concerns about executive overreach. Scholars warn that if Congress does not reclaim its oversight functions, the precedents set today could permanently tilt the balance of power toward the presidency, regardless of party.
The Road Ahead: Why Oversight Matters
The erosion of congressional oversight is not merely a symptom of polarization or legislative dysfunction; it is a test of American democracy’s resilience. Rapid-fire crises, cyber threats, terrorism, and great power competition, are cited as reasons to centralize decision-making in the White House. Yet history shows that when oversight fades, so does accountability. Massive defense budgets pass with little scrutiny, surveillance expands with scant debate, and emergency powers become routine. For the American people, this means less transparency about how hundreds of billions are spent and what freedoms might quietly be curtailed in the name of security.
Restoring balance will require more than speeches about constitutional principles. Congressional leaders, especially Republicans who now hold the majority in at least one chamber, must decide whether loyalty to the institution and to the checks and balances system outweighs short-term political advantage. The stakes are not abstract: the future of democratic norms and public trust in government are on the table. The question is not whether the executive will seize more ground, but whether Congress will finally stand up and reclaim its constitutional authority, before those powers are lost for good.
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