DIVISIVE TIME--In this 1974 file photo, police guard while Black students board a school bus as Boston begins a school busing program. (AP Photo/Peter Bregg, File) by Bridget Murphy BOSTON (AP) — Last fall, Ginnette Powell traveled from her home in Boston's Dorchester section to her old middle school in South Boston — a journey of just two miles, but one that covered a huge emotional distance. Finally, she was able to leave the painful past behind.
