State: Governor working to get agencies to agree to deal over Colorado River, keep 30 billion gallons.By Seth Hettena, Associated PressSAN DIEGO Gov. Gray Davis pledged Friday to work to prevent 30billion gallons of water intended for Southern California from going to waste, one week after his administration said it would allow the water to flow into the Pacific Ocean. The governor said he would work with the U.S. Interior Department to salvage the $10million worth of water acquired by the Metropolitan Water District of Southern California. "I pledge to you the full cooperation of the State of California,' Davis...