they riddle lee rigby by running him over with a car and then it happened in the middle of a day on a busy street in london. >>> the air in china is so thick with smog. the pulsome call the air pollutn china very concerning. we have more news next hour. so i have a voice and i use it. >> hip hop pioneer and business mogul russell simons is a man of vision. >> you can't fail until you quit. >> music, fashion, social action, the def jam founder is a pervasive cultural influence and a strong advocate for justice. >> the war on drugs has done more to detroit the fabric of the black community than anything that we can think of. not the effects of jim crow and the effects of slavery, it's the war on drugs. >> he's also a practicing yogi, who values daily medication. it's the subjects of his latest