Sir Keir Starmer and his wife Victoria took their children to Poland over the weekend to learn about their Jewish heritage. The family went to the village of Kolo, on the outskirts of Warsaw, where Lady Starmer's grandparents once lived. Her father, Bernard, was born in Britain in 1929, after they fled to the UK in a bid to escape rising anti-Semitism in mainland Europe. None of Lady Starmer's relatives who remained in Poland survived the Holocaust that was to come in the Second World War. Sir Keir, who is not Jewish himself, travelled in support of his wife with...