[Kizzy]

What is this party line... it's said as if a bad thing?
Maybe he was getting informed on the topic to be discussed, in order to give educated answers to the questions he was expecting?

Maybe conservatives don't tow their party line enough that's why they defect.

Whether he had or had not read the letter it was best not to get drawn into something he was ill prepared to answer.
How come when boris tells interviewers and members of committees to eff off or shut up its ok?...no fair.