"Certainly, the president is expected to safeguard the Constitution by vetoing unconstitutional acts of Congress. This is especially true because many laws can only be brought before the courts in a collateral way, if at all."
Charles A. Beard was an American historian and public intellectual associated with progressive historiography. He is widely known for An Economic Interpretation of the Constitution of the United States. Beard was a major scholarly voice in early 20th-century American historical writing.