Ron DeSantis’ presidential campaign used a dubious digital strategy of creating incendiary meme-like videos and sending them to third-party accounts to spread across the internet, a report said Monday. Senior aides to the campaign created and shared the content in a private Signal channel entitled “War Room Creative Ideas” — and two of the videos shared were a source of irritation for the candidate, according to Semafor. Screenshots obtained by the outlet show staffers praising some of the content that would later get them in hot water. One of the videos featured DeSantis’ face over the Florida state seal that...