By now, you've either seen the Sammy Yatim shooting video -- where an 18-year-old was shot and killed on the TTC -- or heard the story. When something is blatantly unjust, it seems to hit close to home, getting the most cynical engaged and opinionated. One thing's for sure, we need answers and we need them soon. We can't wait for tipping points to engage in emotionally charged dialogue. Something like this can't happen again.