‘Free speech is in a dark place’

Jacob Mchangama is the executive director of The Future of Free Speech .

In the US , the Trump administration is going after visa and green-card holders over political speech.

Around 30 people a day are being arrested in the UK for offensive online communications.

Denmark re-introduced blasphemy laws after a copy of the Koran was burnt.

Jacob Mchangama says freedom of expression for non-citizens gives a huge advantage to the US .

35 per cent of US Nobel laureates were born outside of the country.

Nearly 50 per cent of US companies worth more than $1 billion were founded by people born outside.