Hill: New Jersey Gov. Chris Christie broke slightly with many of the announced and potential Republican presidential candidates, saying that climate change is real and that humans contribute to it.
I think global warming is real. I dont think thats deniable, Christie said at a Keene, N.H., event, according to MSNBC. And I do think human activity contributes to it.
Christie later added that the degree to which humans contribute to climate change is still subject to debate.
Christie has previously...