The scientists have been right about climate change all along, says former Vice President Al Gore on the 20th anniversary of the release of "An Inconvenient Truth," the Oscar-winning documentary about Gore's campaign to educate people about climate change. When asked by ABC News chief meteorologist and chief climate correspondent Ginger Zee whether the film and its predictions on global warming hold up, Gore responded, "Unfortunately, yes." "The scientists were dead right on all the important elements of it, and it really is insane that we are continuing to use the sky as an open sewer and we're trapping so...