Global Vaccine Inequality, Endangered Rivers, Cloud Seeding

Why the push to vaccinate people against COVID-19 is turning into a global case of the haves and have nots. Also, why the Snake River in the Pacific Northwest is America’s Most Endangered River. Then, scientists in eight US states are actively manipulating the weather through a process called cloud seeding. Also on today's show: how to improve diversity in clinical cancer drug trials, the pandemic has given rise to a new psychological disorder called COVID Stress Syndrome, and why Americans are getting more interested in making pilgrimages despite becoming less religious. (AP Photo/Nicholas K. Geranios,File)