Lewis Pugh swims the North Pole

http://www.ted.com/talks/lewis_pugh_swims_the_north_pole.html

Lewis Pugh talks about his record-breaking swim across the North Pole. He braved the icy waters (in a Speedo) to highlight the melting icecap. Watch for astonishing footage -- and some blunt commentary on the realities of supercold-water swims.