Presidential Leadership: The Political Relations of Congress and the Chief Executive

The nature of the presidency is an issue that has been debated since the drafting of the United States Constitution. The Federalists felt a strong executive was the backbone and prime mover of a strong government. On the other side, the Anti-Federalists felt the presidency represented monarchical tendencies and could potentially subvert republican government. How does executive leadership fit in with a limited government with enumerated powers? Does the Constitution require a containment of executive power, even during times of crisis, or do times of crisis warrant an abandonment of a strict legalistic reading of the document?