President Trump's comments on the Iran agreement underscore questions about the balance of power between the executive and legislative branches.
The U.S. Constitution mandates a system of separated powers, intended to prevent the concentration of absolute authority in a single office.
Critics argue that viewing Congress as an afterthought undermines the constitutional role of direct public representation and institutional accountability.
The debate highlights a long-standing tension between unilateral presidential action and the necessity of congressional oversight in foreign affairs.