Hundreds of thousands of demonstrators are expected to flood the National Mall in Washington, DC, on Tuesday in one of the largest pro-Israel protests since the Israel-Hamas war began five weeks ago. The “March for Israel” — organized by the Jewish Federations of North America and Conference of Presidents of Major American Jewish Organizations — is billed as an opportunity for “Americans from all walks of life” to condemn rising antisemitism across the nation and to demand that Hamas finally release the hundreds of Israeli hostages it is hiding in Gaza. “Israel must eliminate the terrorist threat on its border...