Charles Mathias fought to end indefinite presidential emergency powers

By Desmond Okafor · August 16, 2026

For decades, the American public lived under indefinite emergency declarations that left civil liberties to the Oval Office and allowed intelligence agencies to operate without a leash.

The American public spent decades under a system where a president could declare a national emergency without a clear expiration date or a defined set of limits. This legal ambiguity meant that the boundaries of civil liberty were often decided by whoever held the pen in the Oval Office.

For years, the executive branch operated with a set of emergency powers that were loosely defined and rarely challenged in real time. The cost of this openness was a government that could move into a state of exception without a predictable return to the rule of law, leaving citizens and lawmakers to guess at the extent of the president's reach.

A Daily Diary from 1974

The process of trying to fix this imbalance is captured in the US National Archives catalog, specifically within the "Committee Papers of the Special Committee on National Emergencies and Delegated Emergency Powers and the Special Committee on the Termination of the National Emergency." This is not a collection of the final laws themselves, but rather the archival scope-and-content description of the working materials used to build them.

Among the most concrete items listed in the catalogue entry are the working files of William Green Miller. Miller served as the staff director for the committee under the chairmanship of Senator Charles Mathias. While official reports provide the polished version of legislative intent, Miller’s files contain a daily diary from 1974. A diary of this nature provides a granular look at the friction of governance—the day-to-day negotiations and the slow accumulation of evidence required to challenge presidential prerogative.

According to the archive's description, Miller's files also include legislative drafts of the National Emergencies Act. As a matter of public record, the National Emergencies Act (NEA) was eventually enacted to end all previous national emergencies and to formalize the emergency powers of the president. The existence of these drafts suggests a period of intense deliberation over how to strip away the ghosts of past emergencies while ensuring the state could still function during a genuine crisis.

Finding the Church Committee

The struggle to define emergency powers did not happen in a vacuum; it was inextricably linked to the discovery of intelligence abuses. The file's catalogue entry records the presence of a briefing book on a resolution introduced by Senator Mathias to create what became the Select Committee to Study Government Operations with Respect to Intelligence Activities—better known as the Church Committee.

This link is significant. The Church Committee is remembered for exposing the darker corners of the CIA and FBI, but the archival description indicates that the impulse to investigate intelligence activities grew directly out of the work on national emergencies. The same legal gaps that allowed a president to declare an emergency without oversight were the gaps that allowed intelligence agencies to operate without a leash.

By housing these materials together, the records suggest that the fight for the National Emergencies Act was part of a broader effort to map the boundaries of the "deep state" during the mid-1970s. The committee wasn't just writing a law; they were attempting to define the very concept of "national security," a term the archive notes as a primary subject of the records.

Watergate and SALT

The scope of the committee's inquiry extended beyond the NEA. The catalogue entry lists subject files and correspondence pertaining to Watergate and the Strategic Arms Limitation Talks (SALT). These were the two dominant pressures of the era: a domestic constitutional crisis and a high-stakes diplomatic dance with the Soviet Union.

When the archive lists "printed bills, resolutions, court decisions, executive orders, and proclamations" alongside "hearing transcripts" and "press materials," it reveals a committee that was fighting a war on two fronts. They had to engage with the formal legal record—the court decisions and executive orders—while simultaneously managing the public narrative through press materials.

Other related materials exist in the National Archives, such as the "Committee Papers of the Special Committee on National Emergencies and Delegated Emergency Powers and the Special Committee on the Termination" (NAID 579670), and further inquiries into executive authority can be found in the NSArchive's records of District Court cases and EPA briefings. These related files, though not part of the Miller papers, point to a persistent, decades-long legal battle over the limits of presidential discretion.

What remains in the Mathias and Miller files is the raw material of oversight. The records include interim reports and background papers that show the scaffolding of the National Emergencies Act before it became law. The catalogue entry concludes by noting that the files contain drafts of floor speeches and other speeches of Senator Mathias on the Committee’s work as well as on foreign affairs issues.