Civilian trials and the so-called "rule of law"

I was wondering if someone could reconcile these three things:

From Obama terrorism adviser John Brennan, on this weekend's Meet the Press:  

MR. GREGORY: Why isn't [Umar Farouk AbdulMutallab:] being treated as an enemy combatant instead of a criminal?
MR. BRENNAN: Well, because, first of all, we're a country of laws, and what we're going to do is to make sure that we treat each individual case appropriately. In the past Richard Reid, the former shoe bomber; Zacarias Moussaoui; Jose...