For Elon Musk, “next year in Jerusalem” is Monday. Amid the ongoing war between Israel and Hamas, the billionaire entrepreneur Elon Musk, proprietor of the social network X, has journeyed to Israel. Today, at the Israeli capital of Jerusalem, he will meet with President Herzog to discuss the online fight against antisemitism.

During the afternoon meeting, Mr. Herzog will be accompanied by representatives of families of Israeli hostages still being held by Hamas. According to a statement from Mr. Herzog’s office, he “will emphasize the need to act to combat growing antisemitism online.”