Second gentleman Doug Emhoff will bring his work fighting antisemitism to the international stage this week, traveling to Europe amid a global rise in hate against Jews and other groups. Emhoff will travel Thursday to Krakow, Poland, and will spend Friday visiting the Memorial and Museum at Auschwitz-Birkenau, one of the most notorious concentration camps from World War II. He will mark International Holocaust Remembrance Day there by attending a wreath-laying ceremony. The second gentleman, who is Jewish, will visit Oskar Schindler’s enamel factory museum. Schindler saved hundreds of Jews during the Holocaust. Emhoff will also attend a roundtable with...