Andy Barr would begin with a federal campaign account affording him millions of dollars but have to confront the reality that he’s little known to most of Kentucky. Daniel Cameron could ride the familiarity of having run statewide twice but carries the scars from his humbling loss in the governor’s race. And Nate Morris would occupy the outsider’s lane of a non-politician but soon find himself answering questions about his stewardship of a Lexington company now struggling financially. Kentucky’s senior senator, Mitch McConnell, has yet to verbalize his expected exit from the U.S. Senate in 2027, but that hasn’t stopped...