![The Long View show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/101/416/small/the-long-view.jpg)
Summary: <p>Jonathan Freedland compares Donald Trump's proposed border wall with the impenetrable 2500 mile Great Hedge of India constructed in the 1840s to control trade between British India and the Princely States. Producer: Laurence Grissell.</p>