Last week in Gaborone, Botswana, Laura and I sat in a small room in Tlokweng Main Clinic, a facility that recently started screening and treating women for cervical cancer. Seated with us was Leithailwe Wale, a 40-year-old woman who was diagnosed with the disease. Thanks to early detection and access to treatment, she told us, today she is alive, healthy and able to raise her son.

Good news like Leithailwe’s is becoming increasingly common in five African countries where Pink Ribbon Red Ribbon is operating. Since leaving the White House, Laura and I have been heartbroken to learn that bec...