From the transcript of the briefing:
Reporter: Jay, so are we looking at sort of a “Gridlock-Nado,” where we could have the government shut down at the end of the month and then go into default a couple of weeks later? Is that a possibility?
Carney: (Laughter.) I’m not sure about the NATO part of it, but the –
Reporter: Maybe a better term, then.
Carney: It depends on what Republicans really want to achieve here.
Here’s the video of the exchange: