Welcome to the second part of this deep look into Afghanistan.

Peter speaks to Professor Sumit Ganguly who provides the history and background of the Taliban's origins, and Professor Amira Jadoon one of the world's foremost experts on ISIS-K.

You can find Professor Amira Jadoon on Twitter - @AmiraJadoon - and her website is www.amirajadoon.net

Further reading by Professor Sumit Ganguly is available on his website www.sumitganguly.com

Still to come on I've Been Thinking episodes with Vincent Brown, Professor of American History and Professor of African and African American Studies at Harvard, and author of Sad Little Men: Private Schools and the Ruin of England, Richard Beard, so please do subscribe or follow the podcast from where you listen.

Produced, edited and mixed by @producerneil