The US Democratic presidential candidates are once again focusing on health care. How does health care work in other Western democracies? Plus, thousands of unaccompanied minors who arrived in Sicily as refugees are still unaccounted for. Finally, a birth announcement in San Diego is great news for experts trying to save the white rhino population from extinction.
Despite its illegality in war, police use tear gas to control riots and disperse crowds all over the world. To understand why and how it's still in use, Marco Werman spoke with Jamil Dakwar, director of the ACLU human rights program.