CBS: Tom Harbour of the U.S. Forest Service readily admits he doesn't know all that much about climate change.
But the folksy and plain-spoken Harbour knows plenty about fighting wildfires. And since he first joined the service in 1970 , Harbour, the agency's national director for fire and aviation management, has witnessed "longer seasons" and "bigger fires."
"When I started 45 years ago, the sense that we would have half-million acre fires in timber just was completely out of the question," Harbour...