"In case we have forgotten," the Senator stated, "because we keep hearing that 2014 has been the warmest year on record -- I ask the chair, you know what this is? It’s a snowball. And that’s just from outside here. So it’s very, very cold out."
Stewart was of course baffled by this stunt -- and the climate change denialism that it stems from. "Unless he's personally witnessing something, it just can't be real," the comedian exclaimed. Watch the clip below: