The trick is to open with a direct, brief answer to any question the reporter asks.

FORBES: Open With A Short Answer -Media Training

And the question the reporter always asks is, is this global warming or is this just regular weather?

NPR: Can Climate Change Explain Odd Weather?

When a reporter asks a question, the expert wants to give a 10 minute tutorial on the subject, going deeper and deeper all the while.

FORBES: Delete Your Database Of Knowledge -Media Training

The reporter here goes to a village and asks to many people, if they are happy.

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The worst moment for him came when he had to comment on an internal NoW email in which a news desk editor asks a star reporter to "call in those bottles of champagne" by getting Mr Yates to spill the beans about a terrorism plot.

BBC: Leveson's police grilling only the beginning