Detailed text transcripts for TV channel - MSNBC - 20130415:19:37:00
Publicity. that's also, i suppose, you have to take that into account. >> right. i also know that there is a train line, a subway line that runs right under that. it is the green line. can we tell from the video whether this came from underground or inside an aboveground building? do we have any clues as to that? >> reporter: i certainly haven't seen any evidence of that. it is very premature at this stage. it is up to investigators too tell us whammed here and what the source of the explosion was. based on the explosion, i think it is wonderful to wonder whether this was the work of a deliber...
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