Yep, you bet it’s the Wisconsin union protestors.
From the comments section…
These people are like kids throwing tantrums because the cable has been cut off, unaware that the sherrif and a locksmith are approaching their front door.
“These people” have lots of company, they live in some sort of fantasyland best I can tell. (after the comma added)
(I’d really like to add the extra ‘f’ to Sherrif! – Ed).