His years in Congress have left him knowledgeable about issues both familiar and arcane.

Except that for most Americans, it is an obscure and arcane issue.

The fight is essentially a reprise of a seemingly arcane issue, but one that has enormous political ramifications.

The trial revolves around more arcane issues, such as which form insurers used in committing to the coverage.

But the House will decide on an issue so arcane that it is almost never mentioned by supporters or opponents.

This is fine for some patients, but frightening to those who find the medical issues arcane or confusing.

Lawmakers have long played politics with the arcane issue of the debt ceiling.

Deadlines have been broken before over this fractious and arcane issue.

The news from Brussels so often concerns arcane institutional issues that do not relate to the lives of people.

But what Clinton was beginning to understand was that government's failures weren't arcane managerial issues; they were questions of public trust.