Free speech cases before the Supreme Court often lead justices to consider far-fetched scenarios, and Wednesday’s argument over a law making it a crime to lie about having received top military honors was no exception.

One after another, the justices wanted to know whether a decision upholding the Stolen Valor Act could lead down a slippery slope to new laws against such things as lying about the Holocaust, an extramarital affair, a high school diploma, college degrees or to impress a date.