The column itself — by Thomas Friedman, who distinguished himself in his next column by intoning “We Need More Elon Musks” more than we need more Greta Thunbergs — was reasonable, arguing that the major world powers need to cooperate on climate change. (Global warming is a national security issue for all countries, but also, like the hypothetical space aliens, a common enemy.) But the jarring headline itself fit right into the current atmosphere of conspiratorial nonsense; we’re unfortunately becoming used to seeing outlandish, paranoid ravings in mainstream media and from liberal politicians.