By Harry Rutter Meghan Markle and Prince Harry were “overcome with emotion” after a heartbreaking visit to the family of a teacher killed in a school shooting. The Duke and Duchess of Sussex shared “tears of joy” as they paid a heartfelt surprise visit to the sister of Irma Garcia. The 48-year-old gave her own life to save her young students during the massacre at an elementary school in Uvalde, Texas, that left 21 dead. Two days later, Irma’s husband Joe tragically died from a broken heart. Visiting the family’s home, Meghan and Harry “carefully” navigated the difficult situation with “love”,…