Romney campaign cancels all staff credit cards on election eve.

From the moment Mitt Romney stepped off stage Tuesday night, having just delivered a brief concession speech he wrote only that evening, the massive infrastructure surrounding his campaign quickly began to disassemble itself.
Aides taking cabs home late that night got rude awakenings when they found the credit cards linked to the campaign no longer worked.

And apparently there was quite a bit of wind down work and papers to file still. Hmmmm