Drones replace July 4th fireworks in western towns worried about wildfires. But where's the 'boom'?

Towns facing another season of drought and wildfire are turning to drone shows as a less risky alternative to organized fireworks. This year's July 4th marks the 242nd year since the creation of the United States. SAN FRANCISCO -- Get in the car, kids. It's time to see the Fourth of July drone show. Towns in California, Colorado and Arizona -- facing another season of drought and wildfire -- are turning to drone shows as a less dangerous alternative to organized fireworks, encouraged by the development of jaw-dropping, choreographed shows like the one Intel prepared for the Winter Olympics broadcast.