As director of Northwestern Pritzker School of Law’s Bluhm Legal Clinic, Thomas F. Geraghty led teams of law students and lawyers who helped to free wrongfully imprisoned men and to expose police misconduct that resulted in false confessions.But those cases represent just a fraction of Geraghty’s legal accomplishments over the past 41 years — which include cases ranging from juvenile justice to the death penalty.“I’ve really been delighted and honored, and I feel very lucky to have been able …