BRITaIN is at "high risk" of energy price shocks in the short term, with a dependence on imports making it just as vulnerable as Uganda, according to new research.  Maplecroft, the risk-analysis firm, has found that the UK is one of the most exposed developed nations and is more likely to suffer supply disruption than France, Germany or the US.  Only Italy, Spain, Greece and Japan are at greater risk than Britain in the short