This has started to make the rounds today. Peter Beinart at the New York Review of Books.
The central argument:

For several decades, the Jewish establishment has asked American Jews to check their liberalism at Zionism’s door, and now, to their horror, they are finding that many young Jews have checked their Zionism instead.

I don’t have much to add to what’s already been written at Tablet and Mondoweiss.
Go read it and come back here to comment.
Full story.