Justice Ruth Bader Ginsburg’s recent health problems have revealed a rift among Senate Republicans over what to do if a Supreme Court seat becomes vacant before the end of President Trump’s first term. While Senate majority leader Mitch McConnell (R., Ky.) has indicated his intent to fill any Supreme Court vacancies in 2020, other Republicans are more hesitant. Senator Lisa Murkowski (R., Alaska), expressed concern that confirming a Trump nominee before the end of the president’s term would create a “double standard” after Republicans in 2016 declined to appoint then-President Obama’s nominee Merrick Garland to fill the seat vacated by...