Detailed text transcripts for TV channel - MSNBC - 20100416:00:54:00
Not many expected to take off across europe either. lawrence? >> dawna friesen at london's heathrow afrmirport, thank you. and our next guest in great demand tonight, good enough to join us from washington, bill burton, when will this volcano stop producing the ash that is grounding these airplanes? >> we don't know that yet. the previous eruption of this volcano went on for slightly over a year. >> wow. so this is just completely -- it's like predicting earthquakes? there's just no predictive capacity on what happens next? >> well, the best guide is the previous history of this volcano, and...