Brexit changed the dynamics of this argument for some ministers. You have to look mad keen for business opportunities, you can't afford to play into a narrative that Britain is turning inwards.
A bumper UK/EU free trade deal has always been at the heart of Brexiteers' assumptions about why life on the outside might be better for the UK.
The message is that great change must come, dictated by the roar of the Brexit vote. She has determined what the roar meant.
We are awaiting Theresa May's first address to the UN. The UN's mind is elsewhere. The attack on a humanitarian convoy in Syria has dominated the coverage here. Also President Obama's farewell.
Camilla Cavendish, head of policy for David Cameron in No. 10, says it's the thought of sitting through Brexit debates in parliament that drove David Cameron out of parliament.
David Cameron's last Prime Minister's Questions showed him at his best. It was astute, witty and self-deprecating. But history will cast it aside.