Judge Louis Freeh is uniquely positioned to influence the practical application of corporate-governance principles — and he is strongly encouraged to do so.

The estimable former FBI director is playing a leading role in the resolution of two of the most prominent organizational dramas of the year — directing the internal investigation of the Pennsylvania State University sex-abuse scandal and serving as the Chapter 11 bankruptcy trustee for the estate of MF Global Holdings Ltd. and MF Global Finance USA Inc.