The difference in an anecdote:

[O]n the way out of the store, a woman asked Bill to sign a greenback. Bill obliged, while pointing out "this isn't legal" to the amusement of folks standing nearby.

A few minutes later, the same request was made to the senator, who said that she couldn't do it. "I can't sign money. That's illegal. I'm so sorry," she said.

Well at least she won't perjure herself over a blow-job.

(Hat tip: Ben.)

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