The freedom Jews have experienced in America, says curator Josh Perelman, "also makes possible the ultimate choice, which is not to be Jewish."

"Criticism of Israel indicates engagement with Israel. American Jews should be worried when their children stop criticizing Israel," says Professor Steven Cohen, a sociologist of American Jewry on the faculty at Hebrew Union College-Jewish Institute of Religion in New York.

Read more of the Religion & Ethics NewsWeekly interviews with American Jews about Israel.