"And how is it possible that the US can turn on Israel like this". That is easy, they are beginning to see who has never been willing to or never intends to make peace, IE Israel. By the way Israel has no Friends and no surprise there, given its ongoing warmongering and brutal oppression of the Palestinian People. It is coming to a close though as the gig is up and none too soon.
Biden says cannot say yet whether he will mount White House run (Reuters)