Talk of the Nation on KCCU

NPR's Neal Conan reads from listener comments about mental health professionals and their "duty to warn," and about what we know about hate groups. And we remember comedian Phyllis Diller who died Monday at her home in Los Angeles.

More people are getting their exercise by walking, according to a new study by The Center for Disease Control and Prevention. The health benefits are clear: Walkers generally have a lower risk of heart disease and diabetes. If walking is your form of exercise, why does it work for you?

In an op-ed for The Wall Street Journal, former Major League Baseball commissioner Fay Vincent describes incidences of clubs, offices and public spaces posing obstacles for him and his wheelchair. He joins NPR's John Donvan to discuss the places where those in wheelchairs still don't feel welcome.

Rep. Jesse Jackson Jr.'s recent diagnosis of bipolar disorder has focused attention on the shame that sometimes accompanies mental health diagnoses in the African-American community. Psychiatrist William Lawson joins NPR's John Donvan to discuss why such a stigma exists.

Syria's civil war erupted again on Monday, just one day after the U.N. ended its monitoring mission in the country. Reporter Jon Lee Anderson joins NPR's John Donvan to discuss the different factions that are rising up amid the current confusion.