The Gloucester Meetinghouse Foundation has scheduled a four-hour symposium focused on gun violence, the intent and application of the Second Amendment, and the differences that have led to the current impasse in addressing the problem. The symposium will be held from 2 to 6 p.m. on Saturday, May 19, at the Gloucester Unitarian Universalist Church. Students from Gloucester High School will speak about the growing youth movement against gun violence after the Parkland, Fla, shootings. Colin Woodard, author of a book that explores the country’s cultural divide called “American Nations: A History of the Eleven Rival Regional Cultures of North America,” is the scheduled keynote speaker. The free program will feature four segments with 15-minute breaks between. Donations are welcome.David Rattigan can be reached at firstname.lastname@example.org.