"Moving?" When Ola Benson's family leaves Roxbury in Boston to a house in the suburbs, Ola is sure her parents have made a big mistake. What on Earth are they doing in Walcott--a historic, stuck-up town where the Bensons are the only black family? True, there are a few good things about the move: Mama and Daddy have better jobs. They have a bigger house, big enough to offer a home to Lillian, a Haitian refugee. But the house is in a "cooperative community"...