Journalisten and Research
Unless an individual engages an interview without notice, there is a need for research with good background and knowledge.
Learning what you can about the person, or topics will help to put you on the correct footing.
What style do they like to adopt in interviews? And what has been said on these subjects before?
We need factual information when we are trying to hold someone in authority to account and to challenge them on their assertions, to get them to explain clearly what they are talking about and to support any case they want to put to forth.