Does whatever he can to ignore a challenge. If he has to debate he will...
 
1) pretend he knows the person better than they do so it isnt strawmanning when he strawmans
 
2) try to divert attention away from the issue. Either by changing subject or target
 
3) unproven narratives, deferring to Britain. Burden shifting basically
 
4) pretend nothing you presebt ever was
 
5) be unclear when it suits him. Or make odd points
 
6) tactical nihilism and apathy
 
7)