Making Sense Of This Week’s Violence; New Zika Book
A Dallas police officer, who did not want to be identified, takes a moment as she guards an intersection in the early morning after a shooting in downtown Dallas, Friday, July 8, 2016. AP Photo/LM Otero
On the next 21st: We heard how Illinois residents are reacting to the shootings that have taken place this week. We also spoke with the author of a new book about the Zika virus.