When Joe Biden and officials in his administration talk about the Israelis and the Palestinians, they describe two peoples that don’t exist in reality. According to the White House, the Palestinians aspire to peace, reject Hamas and are ready to make painful concessions. A week after Hamas attacked Israel, Mr. Biden said in an interview on “60 Minutes": “Hamas and the extreme elements of Hamas don’t represent all the Palestinian people." National security adviser Jake Sullivan said: “The many, many Palestinians who have had nothing to do with the brutal terrorist organization Hamas—the vast majority of the population of Gaza—they...