Trump flies over a US city in a jet, dumping excrement on protesters; welcome to the era of government-endorsed AI slop videos. Charlie Warzel from The Atlantic joins the show to talk about the US's experiment in government-by-meme. Plus: psychologist Steven Pinker argues that what drives society is knowing that what we know is widely know — in his term, "common knowledge". But what if our beliefs about everyone else's inner thoughts turn out to be wrong?