CNN reported from the 2024 Republican National Convention in Milwaukee on Sunday, with one of the network’s political analysts giving an ominous warning about a potential “clash” that event security won’t be able to stop. Kaitlan Collins and Mark Preston were discussing President Joe Biden’s call for unity among Americans, when Preston elaborated about a lurking threat behind the scenes. “Unity is an elusive in elusive goal. And he hit the nail on the head,” Preston said. “The fact of the matter is we are very much, you know, a divided nation at this point. and I only think that this has heigh…