Jan 28 - Britain's FTSE 100 index is seen opening flat at 7,412 points on Tuesday, according to financial bookmakers. * GBP: The British pound edged lower on Monday as markets await this week's Bank of England decision on interest rates, which many analysts see as too close to call. * SKILL SHORTAGE: Britain needs a new body dedicated to filling skill shortages in financial services as tech lures away talent and Brexit increases uncertainty, a government-commissioned report sai