With Declan Lawn this morning to explain the military options available to Theresa May and why the situation in Syria is more complicated than the civil war in Libya.
There are no easy choices. As predicted, the missile strikes last year have proven to be ineffective, but doing nothing would lead to cries of impotency. What is needed is a graduated response that ensures humanitarian workers are protected, but does not result in a direct conflict between the USA and Russia.
Does the Prime Minister have the diplomatic skills to finesse this hand?