Richard Vedelago is 29 years old and worth more millions than he's prepared to tell. 'Money talks, but wealth whispers,' he says with a smile, sitting back in the bar at Claridge's - his idea - and lazily sipping an elderflower juice. That whispering is not, the oil, gas, property, telecoms and menswear tycoon goes on, typical of a Nigerian mindset: 'Very loud, quite brash, larger than life -even if you're just having a family meal, everything's over the top all the time. So it's quite fun.' Rea..