David Frum: The Israeli protest was provoked initially by high housing prices. He says Israel is a thriving economy, enormous amount of opportunity there relative to its neighbors. But it was just way too high for most people because there's a feeling of malaise and disillusionment in the U.S., he says.Frum: Whatever that malaise is, it's not economic. It's not economic at all. And I'm sure it felt that way in Israel at the time, it feels that way here.