(HLN) -  "You're not a person, you're property."  "You're an
animal working in the fields the rest of your life."  "You don't
have any rights, we own you."  Not exactly what you'd want
yelled at a group of middle-schoolers on an overnight field
trip. But those phrases -- plus others allegedly involving the
"N" word -- are exactly what a class of Connecticut seventh-
graders say was shouted at them during a nighttime slavery re-
enactment, which the students and their parents were unaware
would be a part of the trip.  The "Underground Railroad"
activity took place on the third night of the group's four-day
visit to Nature's Classroom in Charlton, Massachusetts. The
role-playing simulation involved a mock slave ship experience,
during which children were crammed into a dark room and told to
imagine they'd just watched as their father was killed and that
they might have to dance to entertain their masters.  That was
followed by a plantation lesson in which the students/"slaves"
were threatened and berated before b