The column is written by openly gay novelist Dave Peck. It's very critical of Mayor Pete's worldview and politics but more controversially drives directly at his sexual orientation. Specifically, that Pete is sexually inexperienced and might be turned loose if he got the White House. It also almost exclusively refers to the candidate at "Mary Pete" which is the author's crowdsourced label for a gay Uncle Tom.
You can read the archived version here.
It speculates that Mayor Pete's judgement might be tested if he becomes the most powerful man on Earth only to realize he never got the be the "Lucky Pierre" in an Eiffel Tower.
It seriously uses the term Lucky Pierre.