Detailed text transcripts for TV channel - MSNBC - 20100506:14:05:00
A barge carrying a huge metal and concrete box is expected to arrive at the leak site within a matter of hours. engineers hope that 98-ton dome can control the spewing oil, but this is something that has never been tested. never been tried before. nbc news correspondent mike taibbi is live in biloxi, mississippi. how soon will we know if this is working? >> reporter: hi, peter. how are you? it's actually going to be a couple of days. i just spoke with somebody from bp who explained that yesterday, the device is out there. they're calling it a big box, that 98-ton smenlt and steel structure tha...