Do your job, Gordon

So those guys who fly around the world for free want to tax those of us who pay our own fares. It's "for Africa" needless to say.

The Chancellor is happy to go along with this plan:

Gordon Brown also said the G8 countries were happy to work with French and German governments to establish how the airline ticket contribution would finance aid.

I note that some countries that are "holiday destinations" are opposed to this proposal and Brown's Greek counterpart says that the levy:

would penalise regions of the EU that are geographically disadvantaged.

I'm sure that's correct, so why isn't Gordon Brown doing his job as a Scottish MP and fighting this "distance tax" to the bitter end?