It has become a predictable quadrennial ritual: Republicans claim this is the presidential election that their pro-Israel credentials will translate into crucial gains among Jewish voters.

What actually could make this White House campaign different, the first one in the post-Citizens United era, is just how hard-fought and expensive the battle for what is only three percent of the electorate ultimately could be.

Even though Republicans haven’t cracked 25 percent of the Jewish vote since 1988, GOP backers of Mitt Romney — who arrives in Israel Saturday — are mounting what likely will be the most aggressive effort yet in dollars and cents to woo one of Ohio and Florida’s most pivotal constituencies.

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