Children of Flint – Five years after the Flint water crisis, there are still long lines for water and new evidence of the long-term health impact on the city's children. Sharyn Alfonsi reports. A Different Kind of Vision – The remarkable story of architect Chris Downey, who lost his sight, found a way to keep working and believes blindness has made him a better architect. Lesley Stahl reports. Rafa – The world's #1 tennis player, Rafael Nadal, takes Jon Wertheim back to his hometown on the beautiful Spanish island of Mallorca. But it's not a vacation, as the court star known as "Rafa" to his fans, practices intensely every morning.