BusinessGreen: Trailing a big set-piece political speech is always a high risk strategy. You allow your opponents to get their attacks in before you have even taken the podium, you set expectations so high that even your supporters may be left disappointed, and you dilute the impact of what you are announcing by inviting the media to second guess your intentions.
And yet, regardless of what we think we already know about the national climate change plan President Obama will announce later today at a speech at...