Globe and Mail: In the end, the much-anticipated "Bali Road Map" was disappointingly vague and unenforceable, weakened by politics and self-interest. Yet beyond the words of its compromised text, the Bali agreement could still herald a new era of tougher action against global warming. Most of the world’s biggest emitters of greenhouse gases – including the United States, China and India – were unwilling to accept any limits on their growth. Even after 15 days of intense negotiations, the …