That's just a sunset, but pretend it's a fireball, okay? | Photo by Travis Hornung via Flickr There is still no explanation of the fireball that soared through Southern California skies yesterday morning at about 10:40 a.m. "I was in downtown Los Angeles on the 31st floor of my office and just happened to look out the window to see a bright white streak disappear behind the the San Gabriel Mountains. It was over......