The most serious threats to judges come from disappointed litigants who don’t openly air their unhappiness, as was illustrated recently when federal agents alleged insurance executive Jeffrey B. Cohen silently amassed a cache of weapons with Delaware Court of Chancery Vice Chancellor J. Travis Laster as his target.

Unformed dangers from unseen places are compounded for state court judges in Delaware since they are not provided with the kind of security assessment their federal counterparts get upon taking the bench.