The high price of oil is powering Nigeria's economy to new heights. This year, it's predicted to have grown by over six per cent. So why do some experts say it's more vulnerable now than it was during the global economic meltdown of five years ago? The Governor of Nigeria's Central Bank, Sanusi Lamido Sanusi has accused politicians of flooding the country with dollars to lubricate election campaigning for a presidential poll that's still 18 months away. By then, Governor Sanusi's term of office at the bank will be over. Could he have his eye on a new one - in the presidential palace?Picture: Lamido Sanusi, Credit: Eric Piermont/AFP/Getty Images