NASA scientists say it will take 11 trillion gallons of water to replenish two of California's drought-starved river basins and help reverse the state's drought. That figure comes courtesy of measurements taken from NASA GRACE satellites, recently released by a team of scientists, which discovered an 11 trillion gallon shortage of water in the Sacramento and San Joaquin river basins. Combined, the two basins account for about 51 percent of California's water supply, according to the California State Water Resources...