Net migration into Britain this year reached 250,000.

On one side of the Immigration debate, capped levels, earned citizenship, ID cards, and annual migration reports - on the other, open borders, a welcome for all, a call to increase the size of the cake, a celebration of a multi-cultural society....

Emma Barnett interrogates David Goodhart, Director of the independent think-tank Demos, and Ceri Dingle, Director of Worldwrite, an education charity campaigning for global equality - and then lets them loose on each other’s arguments.