When (if ever) it's appropriate to make jokes, take selfies, or curse before the court

During oral argument last month in Mullin v. Doe, attorney Geoffrey Pipoly said something I won't repeat to my kids. The remark came when Pipoly, who represents Haitian nationals challenging the Trump administration's effort to revoke their deportation protections, highlighted President Donald Trump's past comments on Haiti. The president, Pipoly said, has shown "bare dislike of Haitians" and called Haiti a "s...hole country."

Pipoly was not randomly swearing, of course. He was repeating Trump's own words. Still, I was intrigued by his decision to say them, especially after Justice Sonia Sotomayor had chosen to say "s-hole country" earlier in the argument when referencing the same quote...