No, "torture" shouldn't be used at all and it is NOT the policy of the US government to do so.
If this was caused by torture, the responsible people will be punished. That's what makes the comparisons to the North Vietnamese and Nazis simply ludicrous.
Now, all you guys need to do is define "torture". We all think we know it "when we see it" but if you delve into the subject, consulting Amnesty International and Human Rights Watch, some people think sleep deprivation is "torture".
Pressure is going to be used to get information. Some forms of pressure are "acceptable" and others are not. I doubt there's a single approved list of "pressure methods" out there.
Do you know of one?