Last week we were all captivated by the images in the Atlanta Journal Constitution of a white dad — Clifton Green — who learned to take care of his adopted Ethiopian daughter's hair. (Click this link for the AJC slideshow: http://projects.ajc.com/gallery/view/living/braids/) I was so amazed that I tracked Clifton down and asked if he would do a BGLH interview. He agreed! Clifton is a professor at