From floods and fires to heavy snow and hurricanes, recent years have brought a raft of extreme weather disasters costing the U.S. hundreds of billions of dollars in damages. How do we fight back? The mayors of three cities on the front lines of climate change – Houston, Miami, and Columbia, South Carolina – discuss what their cities are doing to recover, rebuild and prepare for the next mega-storm. And Seattle Times reporter Jon Talton explains why he thinks fighting climate change should be our biggest priority.