Trump himself didn’t have to confirm through back channels that he was on board with what his staff was negotiating with the Russians because he did so publicaly.
Note the change in his body language when he makes the linked statement. After two years its become obvious when he is ad-libbing and when he is reading from script and in the link he clearly goes from ad-libbing to what was a carefully scripted statement.
“… I think you will be rewarded mightily, ,,,,, by the press.”
Give me a break!
What possible reward could the press offer Vlad in return for providing Hillary’s deleted e-mails?