Paul Callan : Ferguson protests certain if grand jury fails to indict Officer Darren Wilson . ` And if you cut them down , and you 're just the man to do it , do you really think you could stand upright in the winds that would blow then ? Callan : Protesters might want to skip grand jury process , but it 's essential . Callan : Protests are not just about the police killing of Michael Brown ; they also have a lot to do with racial tensions in America and how that plays out on the streets. He says change comes through voting rather than in street demonstrations .
Paul Callan : Ferguson protests certain if grand jury fails to indict Officer Darren Wilson . Callan : Protesters might want to skip grand jury process , but it 's essential . Callan : Protests are not just about the police killing of Michael Brown ; they also have a lot to do with racial tensions in America and how that plays out on the streets. He says change comes through voting rather than in street demonstrations .