Huge salaries for top bosses. Fair reward or are fat cats just getting fatter?

The bosses of Britain's biggest companies now take home an average of £5.5m per year. That's almost 130 times more than their staff. The news comes from a report from the High Pay Centre. It says chief executives of firms on London's FTSE 100 index saw their mean average income rise by 10% in 2015. So is this a case of Fat Cats getting fatter? Or are top bosses worth their multi million pound wages?