How the hell is it possible to talk, without pause, for 13 hrs?
Never shared a table with Rastafish then?
lol yeah come to think of it!!!
But seriously ...13 hours on one subject...in depth..obviously off top of head....without pause...had he swallowed a dossier or something?

It's not Just A Minute where you have Paul Merton and Julian Clary ready to buzz in if you deviate, hesitate or repeat yourself.
There's nothing to stop them reciting the Rime of the Ancient Mariner, or Paradise Lost if they choose and the longest ever was 24hrs+ as part of a concerted attempt over 57 days to beat the Civil Rights Act in 1957.
http://www.policymic.com/articles/28858/5-longest-filibusters-in-u-s-senate-history