Presidential immunity is not the only fix the Constitution needs

President Joe Biden has proposed a constitutional amendment to make clear that presidents of the United States are not above the law. But that’s not the only repair the Constitution needs.

Other important changes include fixing deficiencies in the current document; correcting unacceptable precedents set by Congress and the courts; and addressing contemporary issues the Constitution’s authors could not have anticipated.

The Constitution’s authors foresaw that the document might need changes over time...