It has moved "from being a right-wing phenomenon to a left-wing phenomenon, from being a Christian phenomenon to a radical Islamic phenomenon, and from being a religiously based phenomenon to an anti-Zionist phenomenon," he says.

Lippman is the President of the Institute for Study of Global Anti-Semitism and the founder and CEO of Genesis10, which is a leading US IT company.

"The pope agrees with us that trust is the foundation of a productive dialogue," he said.

"With his moral authority, he can play a tremendous role in enlisting nations of the free world to join him in telling the Arab world that the time has come to accept Israel." Read more