Pretty much everything any British politician is saying today relates to things being done in the national interest.
It's the catchphrase used to justify all sorts of self-serving politicking. But playing with the phrase makes for a fun game, actually.
Simply add 'in the national interest' to whatever self-centred nonsense you happen to be spouting and voila! No dissent.
It could prove useful in all sorts of situations. Unruly child?
'Go to your bed, in the national interest!'
Need a loan from your bank manager? Simply demand it in the national interest, of course. They're getting their money from the state using exactly the same excuse after all.
Not getting laid? Invite a lady back to yours for coffee 'in the national interest.'
I suspect we're going to hear an awful lot more about the national interest in the next while.