This story just came out yesterday or the day before . . .
http://www.nbc5i.com/community/3344130/detail.html
The phrase suggests a double meaning. But DC and NYC remain the two more obvious targets.
Thanks for the link. I agree that DC and NYC remain targets as well as either Houston or Dallas. It is said though that Chicago also remains as an "unfinished business" city. Have you heard that as well?