There is only one method which will be effective:
Have Obama profess to be an Orthodox Jew, strictly observant, who loves Torah and Israel, and have him promise to end all "peace negotiations" and recognize Jerusalem, Samaria, Judaea, Golan, and Gaza as "sovereign Israeli land".
Publish an interview with Obama, in which he promises to illegalize abortion on demand, promises to restore the traditional family in which the husband worked and his one income would support a family of four.
Have Obama promise America that he will forcibly (if necessary) deport each and every illegal alien living in America, and will secure the entire border of the U.S.A. with our own military with orders to "take all necessary action" to prevent illegal entry into the U.S.A.
Even just one of these methods would see the largest majority of Jewish American voters denounce Obama as a "bigot", "racist", "reactionary", and "misogynist".
Save the "homophobe" card for use just in case there are a few Jewish hold outs.
Guaranteed to work like a charm.
Otherwise I'm afraid we are all out of luck.