Me: ‘No. That’s not my expertise.’
Producer: ‘Can you say something about the terrorist attack in Utrecht?’
Me: ‘No, that’s not my expertise. Didn’t you invite me to talk about my book?’
A couple of hours before the show, they want you to do a video of 2 minutes in which you have to summarise all your ideas. (‘And can you say something about Brexit please?’).
But they actually read the book, can't say that of many other UK journalists.