On November 4, 2003, a doctor gave Jon Gluck some of the worst news imaginable: He had cancer — one that later tests would reveal as multiple myeloma, a severe blood and bone marrow cancer. Jon was told he might have as little as 18 months to live. He was 38, a thriving magazine editor in New York with a 7-month-old daughter whose third birthday, he suddenly realized, he might never see.Good NewsA weekly dose of stories chronicling progress around the world.“The moment after I was told I had can...