Ignoring the idea of war, then?
No, I just hope it doesn't happen but if it were it wouldn't change my view on this.
I am in no way condoning their view of women, but if it was as easy as you're making it out to be, it would have already been done.
It's not possible within our lifetime, it's more an evolution. Consider these two things: 1) The Muslim birth rate. 2) Increased tolerance for their values.
I'm all for multiculturalism, I'm from London after all. But you've got a problem when a group of people that are growing faster than any other, don't value the ideals of their country and would drastically change them if they could. The state of Iran before and after the revolution is a reminder of how devastating this could be to freedom and rights.