They should never have agreed to serve a president who insists more on personal loyalty than on any constitutional interpretation of the civil-military relationship.

I wouldn't presume to secondguess that constitutional interpretation - although a number of eminent lawyers have done so.

His philosophy of constitutional interpretation was essentially historical contextualism.

This was a case of statutory rather than constitutional interpretation.

Unwritten constitutional principles were relied upon to demonstrate this, indicating such principles were growing in importance in constitutional interpretation.