Many people are hooked on fly fishing. Now, a group of students at Dobyns-Bennett High School in Kingsport are among those intrigued with the popular sport.During the spring 2015 semester, King professors Don Michael Hudson, Dan Kreiss and Wendy Traynor and her husband, Brian, along with six King students, travelled to Dobyns-Bennett to teach fly fishing to the high school’s sophomore class.