LONDON/NEW YORK, Dec 13 (Reuters) - Bankers and regulators will be at their screens on New Year's Eve to see if what was once dubbed the world's most important number slips quietly into the history b… [+7032 chars]Read the whole story by on Reuters:https://www.reuters.com/markets/europe/libor-limbers-up-y2k-walk-into-265-trillion-sunset-2021-12-13/