Former spy chief overheard giving off-the-record interview from Acela train (theguardian.com)

Here are a few other submissions of this story:

https://news.ycombinator.com/item?id=6608480 (washingtonpost.com)

https://news.ycombinator.com/item?id=6608651 (washingtonpost.com)

https://news.ycombinator.com/item?id=6608690 (yahoo.com)

https://news.ycombinator.com/item?id=6609053 (onthemedia.org)

https://news.ycombinator.com/item?id=6609197 (washingtonpost.com)

https://news.ycombinator.com/item?id=6610863 (indiatimes.com)

https://news.ycombinator.com/item?id=6613137 (securityweek.com)

https://news.ycombinator.com/item?id=6614293 (today.com)

So far none have any significant discussion - perhaps this will be the first.