“All I’m prepared to say on that is that I did not give the president legal advice,” he said. “I don’t give anybody legal advice unless I am their lawyer. I am not his lawyer. I’m not in a lawyer-client relationship with him.”
Instead, Dershowitz said, he prefers to offer counsel in public forums.
“I talk to the president on television all the time,” he said. “Apparently he listens. I get on television and I state what I think is going on. And anybody can listen, and I very purposely do it publicly so nobody mistakes it for legal advice."
https:// www.jta.org/2018/04/11/news-opinion/politics/alan-dershowitz-says-meeting-with-trump-was-about-middle-east