Humans instinctually forge loyalties to groups to survive. Being aware of these impulses can help us deescalate arguments and find common ground. Some notable leaders in history show us how it's done.

A new report from the Safeguarding Health in Conflict Coalition documents almost 2,000 incidents in 2022: "a shockingly violent year against health care, especially in Ukraine and in Myanmar."

History has shown that it's possible to pause war and conflict to distribute lifesaving vaccines for diseases such as Guinea worm and smallpox. Can the world do the same for the COVID-19 vaccine?

Dr. Paul Spiegel talks about the gaps — and raises the possibility that the coronavirus pandemic could lead to huge changes in humanitarian responses.