The Rt. Hon. Edwina Currie, former Conservative minister; Lord Levy, Middle East envoy for Tony Blair when prime minister; The Rt. Hon. Sir Oliver Letwin, M.P., senior adviser to David Cameron; Jon Lansman, founder of Momentum, the grass-roots movement that supports Jeremy Corbyn as Labour leader; Rabbi Jonathan Romain of Maidenhead Reform Synagogue; Melanie Phillips, columnist on "The Times" and Ruth Smeeth, Labour M.P. for Stoke-on-Trent, Northon changing allegiances for Jews in the UK.