Of all the inane things that have been said about the war between Israel and Hamas, surely one dishonorable mention belongs to comments made over the weekend by Benjamin J. Rhodes, deputy national security adviser for strategic communications.

Interviewed by CNN's Candy Crowley, Mr. Rhodes offered the now-standard administration line that Israel has a right to defend itself but needs to do more to avoid civilian casualties. Ms. Crowley interjected that, according to Israeli Prime Minister Benjamin Netanyahu, the Jewish state...