His remark earned instant condemnation from the Defence Secretary, Mr Michael Heseltine, who called him the "self-appointed king of gutter politics".
Rugby matches change in an instant from attack to defence, and this means a players skill set must be much more developed if they are to perform at the highest level in both aspects of the game.
The British claimed legitimate self-defence, but Webster argued later that anticipatory action was justified as self-defence only where "the necessity of that self-defence is instant, overwhelming, and leaving no choice of means and no moment for deliberation".
From a left channel where he wreaked havoc all day, Leighton Baines hit an instant pass behind the visiting defence.
Coach Yahiro Kazama brought on Kengo Nakamura in the second half and the playmaker had an instant impact testing the Wanderers defence from the get go.
The rare event was televised, and was an instant hit on YouTube.America's defence secretary announced a review of the "Don't ask, don't tell" policy which bars openly gay soldiers from serving in the armed forces.
The result was instant pressure on the Shakhter defence and goalkeeper Alexandr Mokin superbly palmed the ball over as Lustig rose to head powerfully at goal following a cross from Kris Commons.
And under the so-called Caroline test, relating to a 19th-century case and referred to by legal commentators on Tuesday, the need for pre-emptive self-defence must be "instant, overwhelming, and leaving no choice of means, and no moment for deliberation".
She had retrieved quite brilliantly, turning defence into attack in an instant, but in the end Ivanovic, whose movement has improved immensely this year, always had that extra power, that extra zip, that proved decisive.
Laidlaw missed the testing conversion and the hosts found an instant reply when Cuthbert battered his way through the defence to lay the foundations for Parks to slot his second drop-goal.
