There is talk these days about a complex and somewhat arcane legal concept: obstruction of justice. The term refers, broadly speaking, to willful efforts to interfere with the operations of the legal process, including criminal investigations.
Let’s bracket the hardest definitional puzzles for now and ask a question that could become pressing before long: What happens if special counsel Robert Mueller concludes that President Donald Trump has, in fact, obstructed justice?
In answering, we should take a vow of neutrality. We should not allow our views about any particular president — negative or positive — to color our understanding of the meaning of the Constitution.