This morning, Greenpeace climbers hung a banner on Mt. Rushmore challenging President Obama to show real leadership on global warming. The banner features an unfinished portrait of the President with the message: "America Honors Leaders Not Politicians: Stop Global Warming." We did this as President Obama meets with other G8 leaders in l'Aquila, Italy to discuss the global warming crisis in the lead-up to UN climate treaty negotiations in Copenhagen this December.

Let's...