.
"Sixty years after the rise of organized labor's political machine during the New Deal, union officials remain the only class of citizens allowed, under federal law, to commit violence against their fellow citizens. "
VIOLENCE: ORGANIZED LABOR'S UNIQUE PRIVILEGE
http://www.thelaborers.net/HISTORY/violence_union_privilege.htm
"The legislative framework of the Hobbs Act dispels any ambiguity in the wording of the statute and makes it clear that the Act does NOT APPLY TO THE USE OF FORCE to achieve legitimate labor ends."
UNITED STATES V. ENMONS, 410 U. S. 396 (1973)
http://supreme.justia.com/us/410/396/case.html#399

