Bret Stephens: In this election, Mom knows best. Again.

Nov. 13, 1950. An Italian ocean liner makes its way into New York Harbor after a 13-day voyage from Genoa. Passengers, many of them in tears, pack the deck as the ship glides past the Statue of Liberty. After the devastation of the war, they’ve made it to America — to a country that, for the immigrants aboard, represents safety, freedom, abundance and hope in an otherwise broken world.Among the immigrants are my grandmother Nina, a refugee who has already fled Russia, Germany and now