and investigators trying to figure out what happened to the plane and where exactly to look to find the aircraft. the hope, and so far it is only an educated cautious hope, is that they could be the sign of more to come. search planes are either on scene or on the way. we know some search planes are already on scene. commercial satellites have been redirected as well. i want to start our coverage this hour by going to john ostrauer from the "wall street journal" who's been breaking a number of stories on this over the last 12 or so days. he has some new information. john, what are you learning at this hour? >> at this hour certainly what we're following is the developing situation off the coast of australia with the australian maritime aircraft heading in that direction to investigate this 78-foot item, or blob as they described it. but our reporting this evening takes a deep look at the last 12 days and what really unfolded both in the u.s., the uk, and