By lying and withholding information about the agreement, he gives aid and comfort to America’s enemy.
The president “must certainly be punishable for giving false information to the Senate.” One can imagine hearing such counsel from a contemporary United States senator on the receiving end of President Obama’s “full disclosure” of the nuclear deal with Iran. But the admonition actually came from James Iredell, a champion of the Constitution’s ratification, who was later appointed to the Supreme Court by President George Washington.
Iredell was addressing the obligations the new Constitution imposed on the president in the arena of international affairs. Notwithstanding the chief executive’s broad powers to “regulate all intercourse with foreign powers,” it would be the president’s “duty to impart to the Senate every material intelligence he receives.”