An irregular $16 McDonald’s order, a viral TikTok, and a growing conundrum for President Biden’s economic platform. The internet has been awash with social media rants lately about the high cost of fast-food. One video in particular keeps making the rounds, nearly a year on. Jeff Stein, The Post’s White House economics reporter – and self-proclaimed fast-food connoisseur – joins “Post Reports” to break down what these reactions do and don’t tell us about the actual state of the economy, and what it may foreshadow for President Biden’s 2024 reelection bid.  Read more:Biden turns up the pressure on corporate ‘price gouging’ as 2024 nears.Inflation eased in October in the latest sign of cooling economy.The viral $16 McDonald’s meal that may explain voter anger at Biden.