That says it all, unfortunately most don't understand.
This means that Bush can send the FBI to search foreigners, such as Z. Moussoui, and his computer, without a warrant, as otherwise required by the 4th amendment.
Or would you rather just die at the hands of a Frenchman or a Tarabist because of some liberal bleeding heart judge's apprehension over 'probable cause'?
Our lives trump his foreign butt's right to not be searched.
It restricts it from doing certain things to people who are OF THE UNITED STATES.