The Trump deal made money for both the US in its efforts to reclaim Billions already spent and also a cut for Ukraine.
At the same time it put American businesses in Ukraine giving them cover against future military incursions and put people to work.
He knew the deal before the press conference.
He wasnt thrilled with it clearly but he was there for the sole purpose of signing and he knew it.
Then he tried to pull a fast one in front of the international press.
Simply stated he got rude about it and got thrown out.
The most telling and outrageous part IMHO is how he went directly to England and got a LOAN for a few Billion and did a press photo op and was all happy and smiles.
Seems he is perfectly willing to take MONEY under any conditions and any concerns for Ukraine's peace stop right there.
Reports he tried on the phone to elicit more from Biden too and got lambasted on the phone only to come and get less money in public later on.
Seems its all about the cash with this guy.