Yesterday I had the honor and privilege of speaking at Harvard Law School about the future of EPA – our challenges, and our incredible opportunities. The highlight of my day, however, wasn’t the fact that I got to speak about issues that I care very deeply about. About how working to fight climate change can serve as an economic driver, helping create new jobs, new industries and new innovation. It wasn’t even that I got to stand in front of many of the environmental heroes who have paved the way before me. The highlight for me came when one my children – my daughter, Maggie – got behind the...