referrede reverend al sharpton spoke earlier tonight at sanford, florida. >> trayvon could have been any one of our sons. trayvon could have been any one of us. trayvon represents a reckless disregard for our lives that we've seen too long. and we come to tell you tonight enough is enough. >> welcome back to the ed know. that was reverend al sharpton at the rally today of trayvon martin in sanford, florida, just moments ago. the terrible effects of florida's stand your ground law have been mounting and they were predictable. i'm joined tonight by dan gilber