And now, amid the dark uncertainties of a war against terrorism, he can argue that this is no time to switch governments.
Switching government documents and legal contracts from Cyrillic to Latin is bound to weaken further the demand for Russian.
ITV and Channel 4 lose both audience and advertising share through the growth of multichannel TV, though both lessen the impact through their own new channels (eg ITV2 and E4). 2 Analogue switch-off: Government switches off analogue as planned in 2010.
Ireland, the other euro nation to seek a bailout, also switched governments in elections last February.
Because the internet is a physical entity, of fibres, routers and switches, governments can and do disable parts of it.
Worse still, investors then tend to switch into government bonds, pushing down yields.
The Opposition will also demand a code of conduct with "real sanctions" and moves to prevent conflicts of interest when people switch between government and lobbying firms.
The Prime Minister will add: "We can't just flick on the switch of government spending or pump the bubble back up.
But quite apart from the fact that the Social Democrats are still squabbling about who should run against Mr Kohl, would a switch of government alone make much real difference?
Speaking at the World Economic Forum in Davos, Cameron will respond to the sudden slump in growth by insisting there is no easy way out: "We can't just flick on the switch of government spending, or pump the bubble back up".
