After his second public freeze up in about five weeks, Senate Minority Leader Mitch McConnell’s (R-Ky.) fitness for office is under renewed scrutiny. But his quest to stay in leadership—or the quest of those around him to keep him in leadership, as it may be—could actually stem from a potential threat by Kentucky Gov. Andy Beshear (D). Kentucky, until recently, was a state that allowed the governor to fill a vacancy, regardless of party. This led McConnell, now 81, to urge the Republican-led state legislature to pass a new bill in 2021 that requires an appointment of the same party....