Cosby: We must talk about this tragedy

exp Cosby Promo_00000505.jpg
exp Cosby Promo_00000505.jpg

    JUST WATCHED

    Cosby: We must talk about this tragedy

MUST WATCH

Bill Cosby remembers where the country was and where he was 50 years ago. Watch more tonight at 4, 5, and 6 EST on CNN.