US Vice President Kamala Harris on Monday is hosting Israeli wartime cabinet member Benny Gantz, who is visiting Washington in defiance of Israeli Prime Minister Benjamin Netanyahu. Gantz, a political rival of Netanyahu, is sitting down with several senior Biden administration officials this week, including Harris, Secretary of State Antony Blinken and White House national security adviser Jake Sullivan. President Joe Biden is at Camp David, the presidential retreat just outside Washington, until Tuesday. An official from Netanyahu’s far-right Likud party said Gantz did not have approval from …