Standing next to a spread of coffee, cereal and breakfast meats at his New Jersey golf club on Thursday, former President Trump started what he billed as his second news conference in as many weeks by highlighting increased costs of everyday foodstuffs due to inflation — a major issue for voters in November.Then, he veered off into a rambling 40-minute speech — uninterrupted by media questions — in which he aired old political grievances and debunked conspiracy theories, and lied, repeatedly, about the state of the economy, the safety of the nation and the policies of Vice President Kamala Harris,...