Krauthammer on Obama's one-sidedness

Charles Krauthemmer on Joe Biden's 'humiliation' and President Obumbler's one-sided reaction.So why this astonishing one-sidedness? Because Obama likes appeasing enemies while beating up on allies -- therefore Israel shouldn't take it personally (according to Robert Kagan)? Because Obama wants to bring down the current Israeli coalition government (according to Jeffrey Goldberg)?Or is it because