As dean of DePaul University College of Law when 2012 came to a close, Gregory Mark called the national drop in law school applications “troubling.” “If anything, it’s gotten more troubling,” Mark told the Law Bulletin last week. Indeed, while DePaul remains a destination school for aspiring trial lawyers and boasts a strong clinical program, Mark saw several troubling statistical trends during his three-year tenure as dean, which ended July 1. The school had the state’s lowest …