High-Tech Innovations to Battle California's Siege of Blazes

California firefighters are using a mix of high-tech and old-fashioned cunning to battle the state's siege of hundreds of blazes. The Wall Street Journal's Erin Ailworth has more.
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California firefighters are using a mix of high-tech and old-fashioned cunning to battle the state's siege of hundreds of blazes. The Wall Street Journal's Erin Ailworth has more.

Learn more about your ad choices. Visit megaphone.fm/adchoices