Olympics Extra: The Don’t Swim Like a Terrestrial Mammal Edition

Summary: Josh Levin speaks with swim coach Terry Laughlin about what makes Katie Ledecky so fast in the water.  Plus, David Epstein of ProPublica talks about how 43-year-old gold-medal-winning cyclist Kristin Armstrong defies the sports age curve.<br><br>Facebook: <a href="http://fb.com/HangUpAndListen">http://fb.com/HangUpAndListen</a><br>Email: <a href="mailto:hangup@slate.com">hangup@slate.com</a><br>Show notes at <a href="http://slate.com/hangup">http://slate.com/hangup</a><br><br>Ending music by mtbrd <a href="http://mtbrd.bandcamp.com/">http://mtbrd.bandcamp.com/</a> &amp; Flamingosis <a href="https://flamingosis1.bandcamp.com/%20">https://flamingosis1.bandcamp.com/ </a>