CEDAR RAPIDS — When Anne Harris Carter was a little girl in the 1960s on her way to Erskine Elementary School, she was diligent about following her route to class. She felt it could cost her family, the first Black family in her neighborhood, if she strayed off the path.The Harris children could take a particular shortcut onto a neighbor’s driveway across from their home and through a backyard to school instead of going the long way up a hill.