Try royal opera house stream this Christmas for just one pound and watch enchanting productions including the nutcracker

enjoy unlimited access to over 80 extraordinary ballets, operas and exclusive behind-the-scenes features.

Sign up for Royal Opera House Stream now with your first month for just one pound.

For details, visit R.OH.org. UK forward slash offer.

One pound for the first month after 14 free days,

and nine 99 a month thereafter,

cancel any time, tease and sees apply.

May I have your attention please you can now book your train tickets on Uber and get

10% back in credits to spend on your next Uber ride so you don't have to walk home in the rain again.

Trains, now on Uber.

Tees and sees apply. Check the Uber app. Welcome to the News Statesman Podcast. I'm Deputy Editor Helen Lewis and this week I talk to George Eaton

and Anushicalion about Jeremy Corbyn and who's really in charge of the Labour Party.

And the editor, Jason Cowley chairs of discussion between our features editor,

Zan Rice, and our contributing writer Shiraas Mahair

about whether or not ISIS is a threat to Britain.

Hello, I'm Jason Cowley editor of the New Statesman. Welcome to the

podcast. I have with me Shiraz Maha our contributing writer. He's a fellow at

the International Center for the Study of Radicalization at King's College London

and I have our features editor, Xan Rice, who works a lot on our foreign affairs pieces and is a former foreign

correspondent in Africa for The Guardian and the Financial Times.

Now Shiraz, you've written yet another excellent cover story for us this week looking at

ISIS, the wider conflict in the Middle East and beyond.

...