That's fair - I wouldn't be a good judge of this if I didn't have really good breadth myself. Often a candidate in his own are of expertise will go beyond what

That's fair - I wouldn't be a good judge of this if I didn't have really good breadth myself. Often a candidate in his own are of expertise will go beyond what I can fairly judge and I end up having to do a bit of reading afterwards to confirm and / or assume they were correct.