 Outside an art museum steps from Lake Michigan, dozens of California delegates dined on appetizers before hearing remarks from North Dakota Governor Doug Burgum, who's thought to be on Trump's short list for vice president. Many said they were still processing Saturday's horrific shooting at a Trump rally in Pennsylvania, which left two dead, including the alleged gunman. 71-year-old Luis Bueller says he's been heartened by calls on both sides of the political aisle to tone down the rhetoric. I think...