US Citizens now need Permission "Clearance" to leave USA

This PDF regarding USCBP-2005-0003-0005 says:

"Executive Summary: The primary purpose of this proposed rule is to prevent passengers that have been identified as high-risk on government watchlists from boarding aircraft bound for or departing from the United States and to prevent passengers and crew so identified from departing on vessels leaving the Unites States."

WeazlsRevenge: Your Disappearing Freedoms: Permission to travel in and out of US
sianews.com: We're All Prisoners, Now: US Citizens to be Required "Clearance" to Leave USA
my.opera.com: American citizens cannot travel outside the US without federal permission
hasbrouck.org: Permission to travel
hasbrouck.org: Bureau of Customs and Border Protection Dept. of Homeland Security USCBP-2005-0003 (PDF)