"warrantless surveillance program"
This is a slur to describe what is lawful.
No warrant is necessary to track enemies or enemy agents.
They do not have constitutional rights.
The problem is that the courts have been twisting the meaning of "person" and "citizen". They have expanded the meaning of "person", along with Congress.
Congress needs to redefine "person" and "enemy" and then exclude the Courts from ruling.
I wonder if you even realize what you are advocating. I wonder if you even see the big picture. Do you realize you are advocating radically changing our very form of government? There is so much "be careful what you ask for" type thinking going on, its starting to be more scary than the threat of terrorism.