We did so in Iraq. Syria will probably be next. I'm not too confident about Egypt... but that wasn't our fault. Still, shouldn't we be more supporting of strong secular leaders?
I'm not generally one to comment on geo-political religious issues. I'm not really religious, myself. But I do think it's shame, and strange, that country by country, American presence seems to mark the end of religious communities, usually Christian, that have survived, literally, for millennia.