Last year, leftist activists repeatedly urged Justice Sonia Sotomayor to retire, hoping Biden could appoint a younger liberal replacement. In addition to her age, health concerns were also a factor. Last year, we learned that Sotomayor travels with a medic due to her Type 1 diabetes, an extraordinary precaution that underscores the seriousness of her condition. Records showed she's required medical assistance during travel and regularly carries medical supplies. While she's managed her diabetes since childhood, at her age the physical and emotional toll of serving on a court where she's perpetually outvoted must weigh heavily. Once again, Sotomayor expressed...