I also love the variation of headlines for this story. Slashdot and the BBC report it as "UK Royal Society Claims Geo-engineering Feasible," while the Financial Times reports it as "Hopes dashed for geo-engineering solutions". The Nature blog has an interesting entry about the variation in headlines.
By all accounts, these tests are completely rigged, and the system can be fooled by the simplest of tactics. The only way to really test it, is to set up a game, where you allow a completely independent team to try to fool the system and another team to try to shoot it down. It is really dangerous to kick off another cold war in order to deploy a system which is a complete fraud. This is yet another way to funnel money to defense contractors...
Suggest you just sit there and wait till life gets easier.