As President Donald Trump’s energy czar and former governor of the biggest source of American oil, Rick Perry had a startling response to the author of the Green New Deal: Let’s talk.

Perry, in an appearance at the biggest North American energy conference on Wednesday, said he’s interested in “getting together and having a conversation” with U.S. Representative Alexandria Ocasio-Cortez about the low-carbon blueprint intended to free the country from fossil-fuel dependence in a decade.

His remarks came just minutes...