Of course, we all want these peace talks to take place, we want Geneva II to happen. But we can't want it more than the participants involved in Syria's bloody conflict.
We have to make sure it's in their interests that these talks go ahead. That's why, yes, diplomacy is important but the work we do with the Syrian opposition that supports democracy, that supports a free, fair and pluralistic society - that is important.
They are standing up for millions of Syrians who have been bombed and blasted out of their houses. Those are the people you need to talk to in the refugee camps in Jordan and elsewhere - to see how they feel about how badly the rest of the world is currently letting them down.
Cameron and Miliband avoided any real debate on Syria today in Parliament, as they are both in odd and difficult positions.
For the time being it seems likely we are going to sit this one out and I think you can expect the debate on what that means to run and run.
Number 10 has stated it has "absolutely no plans" to go back to Parliament on the issue of military action against Syria.