LaGuardia Airport's Makeover Detailed in New PBS NOVA Doc

There was a time when New York's LaGuardia airport was the butt of infrastructure jokes. Now, it's often cited as one of the best airports in the country. A new documentary as part of the PBS NOVA series details the engineering work that went into the makeover. We speak to writer and producer Joby Lubman about "Extreme Airport Engineering," streaming now on PBS.