From a recent interview with Bryan Garner:
G: Was your very first oral argument in the U.S. Supreme Court?
K: My very first appellate argument was in the U.S. Supreme Court.
G: Wow! That’s incredible!
K: It was even worse than that, really: It was in the U.S. Supreme Court and it was the Citizens United case.
G: That was your first oral argument?
K: It was my first oral argument. It was an important argument. For those who don’t know, it was a case that had been argued the prior term. The court had decided to reargue it and had set a couple of questions for reargument on whether the court should reverse its precedents in a couple of important cases. It was pretty clear to people that the court was ready to do something significant—to reverse those cases. So it was nerve-wracking to do an argument of that importance for my first one. But every time I got too nervous about it, I would say it’s OK because we know which way this is going to come out. You’re going to lose. ...
HT: ABA Journal