Yes.
The way things stand right now, there may not be many more increments required. Time alone, may suffice, with what/who we have in place. Given time, our culture can simply be voted out of existence.
The very boldness of the moves being made, is quite alarming, in itself. It is difficult to say what moves will be made next. The 2008 election will have a lot to say about how things shake-out.