Christopher Fennell, assistant professor of anthropology at the University of Illinois, says communities connected to old black towns are saying: " 'Don't tell us about brutality in the past. Tell us about how African Americans overcame racism.' There is much more focus on free African Americans like Timbuctoo."These are crushed fragments of a past life when free black people lived in this New Jersey community almost 200 years ago -- free even then, 45 years before Emancipation. "Most of the history of this country is in that house," says David Orr, a classical archeologist and professor of anthropology at Temple University.Timbuctoo was founded by freed blacks and escaped slaves in t