Malcolm Gladwell joins Tim Harford to discuss our recent three-part tale about the race to reach the South Pole. There's talk of imperial decline; the power of the underdog; why getting everything you want is actually a handicap; and limes... lots and lots of limes.

Can You Make a Sherman Tank Float?
39:32

The Inventor who Almost Ended the World (Classic)
36:37

From Drilled: The Carbon Gold Rush
28:05