It hasn't been easy teaching children about homosexuality in the Newton schools because many parents are not happy with the plan, a social worker told the attendees at one of the Fistgate sessions held this year at Tufts University."I work in the Newton public schools, and a lot of times it can be a very reactionary group, and it has not been easy at all," said Laura Perkins, who is a social worker in the schools.Her session at Fistgate 2003 was about introducing six-year-olds to homosexual concepts. She shared books and sample lesson plans. The session was titled, "Developing Lessons...