During a Senate Foreign Relations Committee hearing, U.S.Secretary of State Marco Rubio was questioned by Senator Tim Kaine about the Trump administration’s refusal to provide Congress with a key legal document related to the ongoing war against Iran.

The disputed document is an Office of Legal Counsel (OLC) opinion that allegedly justifies the legal basis for the military campaign, which began approximately 92 days earlier.

Kaine argued that Congress had previously been granted access—at least in classified form—to legal rationales for other military operations, including actions involving Venezuela, and questioned why the same transparency was not being extended in this case.

Kaine expressed concern that the administration’s refusal to share the memo could suggest hidden legal reasoning, such as dissenting opinions, restrictive conditions on military actions, or factual claims about the war’s expected duration and strategic outcomes.He linked the issue to a proposed $1.

5 trillion defense budget request, representing a significant increase over the previous year’s spending, and emphasized Congress’s need for oversight in approving such expenditures.

Rubio responded that he was not fully aware of the reasons the OLC opinion had not been shared, initially suggesting documentation had been provided, before being corrected by Kaine.

Rubio ultimately stated he would inquire within the Office of Legal Counsel regarding the missing document and acknowledged he would follow up on the issue.

The exchange highlighted tensions between Congress and the executive branch over war powers, transparency, and legal justification for military action, particularly in the context of escalating U.S.-Iran conflict and broader geopolitical concerns.