What he argues is that: the Israeli state is racist, acepting non-Jews from Russia and not from Sudan. In any democratic country in the world, entry is free, in all Europe, borders have been cancelled and everybody can freely come live and work there. Only in Israel one still needs a passport to get in, even as a visitor, and show that he is circumcised to live there!
Report: Iran's Culture Ministry refuses to allow Barenboim to perform in Tehran (DPA)
from the article: Treasury official under fire after attack on Russian-speaking immigrants