“Forever pure” — that was the banner raised by Beitar Jerusalem soccer club fans in 2013, following the announcement of then-owner Arcadi Gaydamak of his intent to bring two Muslim players into the group. Seven years have passed since and it seems that the banner has turned into the unacknowledged election slogan of Israel’s non-Arab parties, who submitted their lists Jan. 14-15 for the 23rd Knesset.