CNN The Situation Room July 8, 2013 21:14:00
Tomorrow. give us a little background now. what's at stake here? >> well, there's a lot of stake and there had been a great deal of hearing testimony that had been heard there was ever a jury as to what kind of evidence might be introduced regarding the background and the previous life you could say of 17-year-old trayvon martin. and the judge basically said you couldn't introduce any of that because he's the victim here and you need to stay focused on the va events of that evening. however, remember shiping bao? he said the trace amounts of marijuana found in trayvon's blood stream were insig...