There've been "free speech zone" pens set up long before Obama came into office.
Here's one in Boston set up near the democratic convention in 2004:
http://www.commondreams.org/headlines04/0726-04.htm
Here's someone expressing their speech at the very idea of "free speech zones":
Rather than go on and on.. I'll just say that life did not begin at Obama, but if there's something wrong in the world you can bet there are those claiming it's all his fault.