Bill Cosby Breaks Silence on Trayvon Martin 0 researchok US NewsApril 2012Monday, April 9, 2012 at 1:42 pm PDT • Views: 1,846 abcnews.go.com More More Bill Cosby Black Community Education School-desegregation D Late 1980s Nationwide Outcry Neighborhood Watch Volunteers Guns Power-of-the-gun Mentality Trayvon Martin Case