>Plenty of airports that allow transit from domestic flights without another security check. The terrorists will just board there. For some reason I am having

>Plenty of airports that allow transit from domestic flights without another security check. The terrorists will just board there. For some reason I am having trouble understanding the first sentence. You're saying there are airports in the US that you can stopover at (with starting point also in the US) that don't put you through a second security check for a leg that leaves the US? I thought they all did that.