Critics say a constitutional amendment on next week’s N.C. ballot could make it harder for students to vote. UNC remembers the victims of last week’s Pittsburgh shooting. Medical School Dean Bill Roper will take over as UNC System interim president. A major gift will build a state-of-the-art center for the School of Media and Journalism. UNC helps preserve the history of a Rocky Mount textile mill. An unconventional class teaches improv skills to business students.