The foot was not on her head.
“These supporters were not very nice to me and my message, which is the same as everyone else — I just wanted to get out here with a sign, but I got my head stepped on,” Valle said. “I have a bit of a headache.”
http://www.myfoxchicago.com/dpps/news/activist-stomped-on-paul-conway-debate-ncx-10262010_10290389
See it for yourself.