Mark Cuban, the billionaire businessperson, said he had tried to arrange a private meeting between Elon Musk and Harris, the US vice-president, but Mr. Harris's team had refused. Mr. Cuban said the meeting had failed because "they thought Musk couldn't keep the conversation private." "What he said about Halisra is so off the mark, I think it would be good for them to talk," Mr. Cuban said of Mr. Musk. Cuban said that if Harris wins the election, he will still try to...