evidence: "No. Most likely the primary control knob is the ocean waters and this environment that we live in," Perry said in the June 19 interview. [...] Perry misidentified climate change’s main "control knob," but he’s not the first Trump administration department head to fudge the facts on our warming planet. [...] Energy Secretary Rick Perry said, "Most likely the primary control knob (for the earth’s temperature) is the ocean waters and this environment that we live in."