https://www.ips-journal.eu/interviews/theres-a-broad-consensus-in-denmark-around-migration-7635/
http://www.cityam.com/259289/tony-blairs-brexit-open-britain-speech-full
http://uk.reuters.com/article/uk-britain-eu-immigration-idUKKBN18L0XG
http://carnegieeurope.eu/strategiceurope/72634?lang=en