Speak to Thrall at the Throne of Elements in Nagrand
and
Show Me Your Papers
Basically, you read a leaflet at Orgrimmar's gates, that says that Garrosh has decreed that anyone wanting to enter Orgrimmar must submit to searches, then you search 5 citizens outside Org.
Yep, it would appear that they've activated a little more.
Damn! I told myself I wouldn't get more excited than I already am. Seems like they're pushing things now. I hoping for the elemental invasion on Monday now.