Lemme quickly ruin it for you: trump was a "lib" until circa 2009...
e.g. https://www.nytimes.com/2016/11/06/magazine/when-hillary-and-donald-were-friends.html https://www.newyorker.com/news/news-desk/memories-of-trumps-wedding
Some of these people from "opposite" political poles are not that different in their actual views...what differs is the means they use and how they position themselves to capture sections of the electorate...which sometimes just ends up feeling like a uniparty...