I don't want to be a siren of gloom. After all Christmas is the time for good cheer. But we are racing towards the end of a year where disruptive global events - Brexit, Trump, Aleppo - have shaken our feelings of security.
Access to this article is restricted.
You need to have a valid subscription to access this content. If you already have a subscription please log in.
Subscribe
Subscribe today for unrestricted access to ALL content and receive all email newsletters.
Already a subscriber?
Please log in using the link at the top of the page to see this article and all subscriber-only content.