Many Louisvillians are acquainted with the controversial busing policy in the public schools. But what are the exact roots of this legislation?Before there was "busing," there were early attempts to desegregate in Louisville. And, as Tracy K'Meyer writes, Louisville was considered a symbol of success in integrating the schools. There was relatively low violence. The opposition was less fervent.K'Meyer is the chair of the history department at the University of Louisville. Her new book is called, "From Brown to Meredith: The Long Struggle for School Desegregation in Louisville, Kentucky, 1954-2007."Readers will find plenty of original interviews, telling both sides of the desegregating story. I recently caught with K'Meyer to hear about this story: