Open Question: What was Kirk (D-MA) doing voting today?

In the Scott Brown run-up, the question was raised that Paul Kirk was to leave his office the day after the election (Jan 19) no matter who won, or when it was certified.

The precedence looked solid, even National Review ran a piece on it.

So, in today’s vote to raise the debt ceiling, why did Kirk vote?

And why did no GOP member object, see that they all voted against it.

Not normally our bailiwick, just a question.