The Belgian parliament’s recent decision to ratify its prisoner-exchange treaty with Iran is a grave mistake, and one which exemplifies the many downfalls of dealing with Iran’s human-rights abuses on a case-by-case basis.

The Belgian parliament’s recent decision to ratify its prisoner-exchange treaty with Iran is a grave mistake, and one which exemplifies the many downfalls of dealing with Iran’s human-rights abuses on a case-by-case basis.