Climate Change Connection To Fires; Lang Lang's 'Goldberg Variations'

Researchers say it's clear that the destructive fires in Oregon, California and Washington are being fueled by climate change. But what does that really look like? We speak with climate scientist Park Williams, who wrote a paper last year that looks closely at the connections between climate change and fire activity. Also, Chinese classical pianist Lang Lang talks about his new recording of Bach's "Goldberg Variations."