Renee Guette, 98, laughed as she looked at her computer screen in Texas. On the other end of the video call was 97-year-old Andree Dupont, living in France. The women, who supported the French resistance against Nazi occupation, had a moving reunion in April -- it was the first time they had seen each other since being freed from a German concentration camp 80 years ago. "Dedee, it's funny to see you after all these years. We've become old girls!" Guette said, using Dupont's nickname. "Seeing you again fills me with emotion," said Dupont, her voice trembling. "I give you...