Gillian Flaccus’ daughter leaned to brush her teeth without leaving the water running at the family’s home, near Los Angeles. Flaccus, an Associated Press reporter, and her husband are using the California drought to teach their children life lessons about conservation. Aerial view overlooking landscaping on April 4, 2015 in San Diego, California. Gov. Jerry Brown has demanded a 25 percent cut in urban water useage due to a severe drought affecting much of California…