Send it the same day or, at the latest, on the following day to the person or persons who interviewed you; remember to ask for business CARDS before you leave the interview.

You might feel compelled to ask what the user interface needs to look like, but there aren't any cards for that so don't even think about it.

So like a debtor who decides that it's easier to ask for a raise than chop up his credit cards, Team Obama decided to focus on boosting American power, not reducing American obligations.