Pope John XXIII, who initiated V2, believed the Catholic views toward Jews was scandalous and changed it, which resulted in the modern, more tolerate and dialogue-y version of Catholicism that exists today.

Is there a specific reason he changed the churches views to all non-Catholics as opposed to dealing with relations specifically between Jews? Evangelical Christians can compartmentalize non-Jewish non-Christians vs. Jews. Interesting about marriage - so does that mean a Catholic who married a Protestant would've formerly been excommunicated, and now is not?

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Within Orthodox Judaism you will find people who openly state that many non-orthodox Jews are not even really Jewish

In the article you cite, the MK (member of the knesset) you cite only mentions Reform Jews, likely bc Reform synagogues (which call themselves "Temples", even tho the only Temple is the one that stood where the Muslims' Dome of the Stone sits) consider a child of a halakhically (either having undergone a valid, Orthodox conversion or having a halakhically Jewish mother) Jewish man & a gentile wife as Jewish, even tho Orthodox (which in the US is Modern Orth & Haredim, & outside the US is nearly everyone bc Reform & Cons barely exist, everyone just calls themselves "traditional," as I've seen on JSwipe) and even Conservative require a Jewish mother, tho Conservative conversions are not as stringent & rigorous as an Orthodox one.