Camden’s Robert Ariail, whose political cartoons appear in the Chronicle-Independent, will be a featured speaker as part of a panel discussion during the opening of a new exhibit at the University of South Carolina (USC) Libraries. Political cartoon enthusiasts are invited to attend “The Art of Political Cartooning,” a panel discussion to be held at 5:30 p.m. Sept. 4. Ariail and fellow cartoonist Kate Salley Palmer will discuss their work.