Self-loathing, possibly.
It has taken an inordinate amount of time for some of Obama’s most loyal and financially generous supporters that Obama is an anti Zionist. His emotional sympathies are with the Palestinians.
Israel may be America’s ally and America may be Israel’s ally but Israel is NOT OBAMA’S ally nor that of any of the multitude of Democrats the American Jewish voters seem to reelect almost as a religious exercise.
quite a thing for “the first Jewish president” to do...
In my experience, many Jewish people are only "culturally" Jewish. Their faith (such as it is) does not influence their worldview appreciably.