The problem is the high immigration of Non-Jewish people to Israel who claim to have at least one Jewish ancestor. If the government want a Jewish state they should check everyone's background better before giving a passport. Or at least change law of return. If a Jewish man wants to marry a Non-Jew he must know the consequences for the future and not complain about his children not accepted!
Iran's Khamenei bans all further negotiations with U.S. (Reuters)
from the article: Knesset votes down bill to allow civil marriage in Israel