The memo, which actually takes the form of an administrative directive, appears to be the product of undated but recent high level meetings between Napolitano, John Pistole, head of the Transportation Security Administration (TSA),and one or more of Obama's national security advisors. This document officially addresses those who are opposed to, or engaged in the disruption of the implementation of the enhanced airport screening procedures as "domestic extremists."
The terminology contained within the reported memo is indeed troubling. It labels any person who "interferes" with TSA airport security screening procedure protocol and operations by actively objecting to the established screening process, "including but not limited to the anticipated national opt-out day" as a "domestic extremist."
The label is then broadened to include "any person, group or alternative media source" that actively objects to, causes others to object to, supports and/or elicits support for anyone who engages in such travel disruptions at U.S. airports in response to the enhanced security procedures.welcome to the watchlist for caring about the constitution 
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http://www.hyscience.com/archives/2010/11/dhs_and_tsa_tak.phpHow ironic that there are now as many parallels from V for Vendetta to the Obama admin as there were under Bush, if not more so.
SPOT ON ASSESSMENT OF OBAMA AND HIS SUPPORTERS: