Article continues below advertisementErika Kirk broke down in tears during an appearance on Fox & Friends on Tuesday, December 9, while discussing what she misses most about her late husband, Charlie Kirk. "What really just hits me hard is when I'm in the grocery store and I see his hot sauce and I want to buy it," Erika said during the interview to promote the slain conservative activist's final book, Stop, in the Name of God: Why Honoring the Sabbath Will Transform Your Life.