Death of a talking point

Pending Holden's fuller deconstruction of today's White House press briefing from Tony Snow, there's this --

As you know, the global war on terror is a struggle against terrorists who are threatening the entire civilized world. While men and women in the military are fighting abroad we've got to make sure that we continue to fight them at home.

But ... but ... aren't we fighting them abroad so that we don't have to fight them at home?