Between 0:47 - 0:56

https://youtu.be/vhwljByMFas?t=46

He goes from the reporter forcing him a loaded question to the reporter giving him free air time.
I feel there is a change in the power dynamic but I cannot work out what exactly plays off here.
But I think what he does is usually used as a haggling tactic. I wonder where he learnt how to do this.