Taking the Fifth Amendment is everybody’s right. But it’s a choice that can send up a red flag, often invoked by people who have something to hide. Think of Enron’s Andrew Fastow and Iran-Contra’s Oliver North.

So when Monica Goodling said last week that she would refuse to talk to Congress about the firing of eight U.S. Attorneys, it was hard not to wonder what this 33-year-old party loyalist may have done wrong.