Each spring, Coastal Carolina University’s Jackson Family Center for Ethics and Values invites an outstanding ethicist to visit for a talk. This year the honor goes to Russ Shafer-Landau, chair of the Department of Philosophy at the University of Wisconsin-Madison. Shafer-Landau is the author and editor of several books on ethical theory. His lecture will be on marriage equality. James J. Johnson Auditorium, Wall College of Business. Thursday, 4:30 p.m. Free. (843) 349-2052, www.coastal.edu