Aron the Pieman Kay (a long time advocate for the legalization of Marijuana) gives "the finger" to a group of Lyndon Larouche followers at the September 17th Occupy Wall Street rally.
Larouche, a former communist often poses as an American progressive, thus the photo of Roosevelt, is actually a quasi fascist and a Holocaust denier who leads a cult like organization similar to the Scientologists. Kay, who is Jewish, was expressing his displeasure over their attempts to hide their anti-semitic agenda behind liberal American icons like FDR and Lincoln