 Just as the senseless decision not to go ahead with a third runway at Heathrow has become the toughest policy for any government minister to defend to a business audience - sadly unlikely to be revoked after the appointment of the Putney MP, Justine Greening, as Secretary of State for Transport - the energy portfolio looks the most hazardous for Opposition politicians.  That said, Caroline Flint, who since you ask is Labour's Shadow Energy and Climate Change Secretary, is not covering herself in glory.  Take her stunning response to a report, published this week, from the Energy and Climate Change Select Committee: "The select committee's worrying forecast about our dependency on foreign sources of energy, where prices cannot be controlled, makes it all the more vital that the Government gets tough over domestic energy prices now."  No one disagrees on the need to reduce UK dependence on foreign energy supplies. But "getting tough" on the very companies whose investment will be critical in achieving that aim is a curious way to go about it.