Bottom line: President Obama could need to draw on the reserve to dampen far more explosive supply side expectations in the coming weeks, than those presented to him now.

FORBES: Oil Hits $100 A Barrel: Time For The Strategic Reserve?

To this end, the MoD is taking forward the development of a 'Cyber Reserve', allowing the services to draw on the wider talent and skills of the nation in the cyber field.

BBC: UK planning 'Cyber Reserve' defence force

After his re-election in 2004, Mr Bush hoped to draw on a deep reserve of political capital, which he intended to use on big projects like the partial privatisation of Social Security (the pensions system).

ECONOMIST: In Katrina's wake

Like Iceland, Britain does not have a global reserve currency, such as the dollar or the euro, to draw on if it needs to act as lender of last resort.

ECONOMIST: Iceland