Seperation of church and state....
....doesn't mean a politician becomes an atheist in office.
Seriously, that's how proponents of separating religion from government often seem to treat the issue.. Everyone has to pretend they're an atheist, as any expressed religious views are tantamount to government promoting a religious view at the expense of other religions...
Which is just ridiculous. I'd expect a Christian, or one of Islamic belief, or Jewish, or a Buddhist, or any other faith out there, to maintain their faith in office, and for that faith to shape their public policy.. It's unreasonable to expect them to switch their faith off, just because they're performing government work.