Less than a year after President Donald Trump began his second term, Republicans seem unserious, unfocused and fracturing before our eyes at a pivotal time for the country. It's hard to watch. This was clear during AmericaFest, Turning Point USA's conservative conference, which wrapped up on Dec. 21. It featured Charlie Kirk's widow, Erika, interviewing rapper Nicki Minaj, and remarks by conservatives like Ben Shapiro, Megyn Kelly, Steve Bannon and others. It was a chance to show party unity as we head to the end of the year. Instead, we got infighting that took over media coverage. If Republicans want...