Yeah it's going to be very interesting. Will have to show some mettle and nous as a leader.
I think he is going to adopt a neutral approach to it all, a bit like he did with Scotland, until it got a bit hairy. He needs those back benchers on side so there is no way he is going to come out in favour of staying in IMO.
Cameron has been a master of making everything he says sound neutral from the start. That's not going to change. His rhetoric is really quite astounding.