The Trump administration tried to punish CNN. They do not determine the seating.
I with the WHCA would be more active in defending their rights. They have leverage. Trump needs the media to cover him just as the media needs his words to report the news.
They should tell Trump:
1) No more attacks on media members
2) No more lies. They could give him a list of lies he has told over and over such as China is paying the tariffs or he implemented Veterans Choice.
3) The TV networks will give the Democrats equal time to any part of his briefing that is political and is carried by a particular network.
By continuing to show up only to be abused by Trump, the media is implying his behavior is normal and acceptable. It isn’t