Who are we preparing to fight? The Chinese, who manufacture everything for our Wal-Marts? The Russians, whose space program we've essentially merged with? The Arabs, who have little else but oil to sell to the world and fifth-rate militaries? All of them are keeping our warfare economy afloat.Nothing makes sense anymore, if you follow conventional wisdom. The world economy is in recession, but we're spending billions - maybe trillions - on space hardware (and extremely sophisticated electronics for consumer use). And when you really stop to think about it, we've no real evidence that the defence budget is actually preparing us for war with Russia or China ....