Are you also against our detention of enemy combatants picked up on the battlefield, and detained in Guantanamo?
So it makes sense to prohibit free speech, allow open surveillance of everyone in America, yet not bother closing our porous borders?
That's essentially what Gingrich is proposing.
If you want to compare this to previous wars such as WWII, then let's do like we did then and go all out to win over there where the fight is, and not shut down important parts of our society just because we aren't willing to get the job done.