D-Day reminder: constitutional principles went to war abroad to preserve them at home

The 80th anniversary of D-Day, justly commemorated as history’s greatest military invasion, reminds us of the fact that World War II was waged to defeat the forces of authoritarianism abroad so our constitutional democracy and all that comes with it – freedom, justice and the rule of law – could be preserved at home.

When American soldiers stormed the beaches at Normandy on June 6, 1944, they foug...