The content originally appeared on: CNN This is a version of the December 31 edition of CNN's Royal News, a weekly dispatch bringing you the inside track on Britain's royal family. Sign up here. London (CNN)Every family has its breakdowns, but the outside world doesn't usually hear about them. The royal family doesn't like to air its dirty laundry in public either, traditionally preferring to adopt Queen's mantra of 'never complain, never explain.' So, when there's a wobble in that […]