House Speaker Kevin McCarthy has canceled a planned event concerning the anniversary of the creation of Israel at the U.S. Capitol, which would have featured Democratic representative Rashida Tlaib. The congresswoman for Michigan, who is of Palestinian heritage, was due to feature as a special guest at the event to mark 75 years since what many Palestinians call the "Nakba"—which means "catastrophe" in Arabic and has been used to refer to the creation of Israel in 1948. Concerns have been raised about the event's potential content and the motives of some of the organizers. The event and its cancellation speak...