President Biden told Israeli Prime Minister Benjamin Netanyahu Monday that sending Israeli troops into the southern Gaza city of Rafah would be a “mistake” — just three days after Biden praised Senate Majority Leader Chuck Schumer’s incendiary speech calling for the Jewish state to hold a “new election” and oust Netanyahu following the war against Hamas. “A major ground operation would be a mistake,” national security adviser Jake Sullivan told reporters that Biden, 81, stressed to Netanyahu, citing concerns about civilian safety in the city of more than 150,000 situated near the Egyptian border. Biden didn’t make “threats,” Sullivan added...