♪ (back here where we need you) ♪ ♪ yeah, we tease him a lot... ♪ welcome back, america. it sure is good to see you. my cholesterol is borderline. so i take garlique to help maintain healthy cholesterol safely and naturally. and it's odor free. i'm taking charge of my cholesterol with garlique. 100 years ago today the thriving community of greenwood, oklahoma, a foreigner of north tulsa known as black wall street where black business, art and culture flourished became the center of one of the deadliest and destructive race massacres in u.s. history. today a cnn film "dreamland: the burning of black wall street" takes a look at what happened on that fateful day a century ago. abby phillip joins us now.