Politico reports: Dispirited over a Republican Party primary that has devolved into an ugly, damaging fight, some of the GOP’s biggest financiers are reevaluating whether to invest in the 2016 presidential contest at all.

Among those on the sidelines: Sheldon Adelson, the billionaire casino mogul who hosted the Republican Jewish Coalition’s spring meeting at his Venetian hotel this weekend. His apparent ambivalence about 2016 was shared by many RJC members here. With grave doubts about the viability of the few remaining Republican contenders, many of these Republican donors have decided to sit out the rest of the primary entirely. And while some are reluctantly getting behind a remaining candidate, others are shifting their attention to congressional contests.

On Friday morning, during a meeting of the group’s board, Arthur Finkelstein, an iconic Republican strategist who has advised numerous politicians over the past four decades, presented polling data that showed Donald Trump sitting at historically low approval numbers among American Jews, according to three attendees who described the off-the-record meeting. Ted Cruz, despite an aggressive recent push to court Jews, fared little better.

Following the nearly 30-minute presentation, the group turned to a discussion about what’s next in the race. While some in the room spoke in favor of Cruz, others expressed reservations about his prospects in the general election. Trump, meanwhile, had little support: Not one person volunteered to raise money for him if he were the nominee. [Continue reading…]