Detailed text transcripts for TV channel - MSNBC - 20120429:22:43:00
Are set to work on the dry bed of the los angeles river fixing a crumbling overpass like these crews seen here. on most days the l.a. river looks like this, an open concrete trench, but when it rains the storm runoff from all the valleys in los angeles has only one place to go, the river basin. there's no forecast for heavy rain, just a light drizzle at most. nothing to worry about. but suddenly up river about noon it begins to pour. >> i was very concerned. and i kept telling mark that we should be out of there. >> at first, the water downstream is just a trickle. then jose and mark hear a du...