Writing about Chris Christie's vice-presidential prospects, Robert Costa makes a key point.
Christie has also been vetted by the Federal Bureau of Investigation.
A decade ago, the FBI conducted an extensive background check on Christie before he became United States Attorney.
This investigation is different from that done on most veep candidates, many of whom have been vetted only by Beltway attorneys and members of the press.
In other words, there probably wouldn't be any substantive skeletons. That's a nice selling point.