(1) The main link is for the article from 19th, September 2000 which predates Brexit by 16 years. (2) Telegraph is "just" a messenger. Main source are document

(1) The main link is for the article from 19th, September 2000 which predates Brexit by 16 years. (2) Telegraph is "just" a messenger. Main source are documents that "were found by Joshua Paul, a researcher at Georgetown University in Washington".