Donald Trump recounted his assassination attempt in vivid detail and promised the largest deportation in U.S. history during a high-profile return to the social media platform formerly known as Twitter — a conversation that was plagued by technical glitches. “If I had not turned my head, I would not be talking to you right now — as much as I like you,” Trump told X’s owner Elon Musk. Musk, a former Trump critic, said the Republican nominee’s toughness, as demonstrated by his reaction to...