Washington, California wildfires spark air quality concerns

Wildfires near Spokane, Washington, have destroyed more than 800 buildings, and have sparked major air quality concerns. Meanwhile, blazes near Sacramento, California, threaten hundreds of homes. Rob Marciano reports. Wildfires near Spokane, Washington, have destroyed more than 800 buildings, and have sparked major air quality concerns. Meanwhile, blazes near Sacramento, California, threaten hundreds of homes. Rob Marciano reports.