Really? Where did you get that information?
There are various links and pictures on the following threads that show the guy hanging with SEIU people. The woman behind him in purple is wearing an SEIU shirt.
At the end of one of the linked videos, it is clear that he’s with the Pro-Obama group and shouting “Health care Now”.
http://www.freerepublic.com/focus/f-news/2318246/posts
http://www.freerepublic.com/focus/f-news/2318462/posts
http://www.freerepublic.com/focus/f-chat/2318644/posts
http://www.freerepublic.com/focus/f-news/2319604/posts