Fear is the enemy of liberty
Former US security advisor Zbigniew Brzezinsiki describes the culture of fear that has been created by the US government in propagandizing its “war against terror”: http://www.washingtonpost.com/wp-dyn/content/article/2007/03/23/AR2007032301613_pf.html
“The great enemy of liberty is fear, and the spread of fear has been the oldest tool to establish and fortify authoritarian rule and dictatorship.” Antony Mueller