SEATTLE - "This is very severe hemorrhaging." Ken Balcomb says new pictures of the brain of a harbor porpoise that died in Puget Sound last May are very telling. The pictures show signs of severe trauma. "This is another smoking gun for me that we've got a consistent trauma here," says whale researcher Balcomb. Balcomb says the evidence convinces him that Navy sonar killed the porpoises. Government scientists examined 11 porpoises that washed ashore. But they won't release any evidence until all the lab results are in. They tell KOMO 4 News that will take at least two more months....