And it looks pretty clear that other suppliers like the Saudis - despite Iranian threats - are willing to step up to cover the additional output required.

BBC: What will be the impact of the EU ban on Iranian oil?

Those proclaiming the virtues of wind and solar should be compelled to reveal actual output data from these sources, the required back-up, and data on the actual reduction of carbon dioxide and other emissions when alternative sources are used.

FORBES: The EPA's Shocking 'Oops' Moment

Output that used to take 100 people in 1990 required fewer than 20 in 2008.

ECONOMIST: Pedalling prosperity | The

The government wants to cut its deficit from 5% of economic output this year to 4.5% next - as required by its bailout.

BBC: Portugal passes another austerity budget

An additional device, specifically a Dual-Mode DisplayPort cable adaptor, is required to convert the mechanical connector, as well as the electrical aspects of the signal, to output that is compatible with a DVI or HDMI cable and display.

ENGADGET: VESA outs latest DisplayPort Dual-Mode 1.1 standard with 4K HDMI support

Once the size of the defence budget has been determined, choices are required about its allocation between each of the three armed forces and their contribution to the UK's defence output in the form of peace, protection and security for its citizens.

BBC: Viewpoints: Future of the British army