Author and renowned herbal teacher and practitioner, Rosemary Gladstar, talks with Barbara Gray about natural health and healing and her book, Medicinal Herbs: A Beginner’s Guide.

In his new book, The Fantastic Laboratory of Dr. Weigl: How Two Brave Scientists Battled Typhus and Sabotaged the Nazis, Politico eHealth Editor Arthur Allen tells the true story of the battle against disease and genocidal ideology, told through the lives of microbiologists Rudolf Weigl and Ludwick Fleck, who fought typhus and cruelty from the Russian POW camps of WWI to the ghettos and concentration camps of Nazi-occupied Europe.

While Playboy may be changing some of the visual content in its magazine, there’s no denying the impact it has made to music, particularly jazz, over the decades.  Ron Esposito talks with Patty Farmer, the author of the new book Playboy Swings: How Hugh Hefner and Playboy Changed the Face of Music.

In his latest book, Saving Capitalism: For the Many, Not the Few, former U.S. Secretary of Labor Robert Reich details why he feels our economic system is not working, explains why the current recovery is bypassing so many Americans, and lays out his solutions for creating a market organized for broadly-bases prosperity.

Dr. Danny M. Cohen, an assistant professor of instruction at Northwestern University's School of Education and Social Policy and The Crown Family Center for Jewish & Israel Studies, is a learning scientist, author, and education designer. Dr. Cohen is also founder of the Unsilence Project. His latest book, Train, tells the story of six teenagers, Jewish and non-Jewish, in Nazi-occupied 1943 Berlin.

This interview originally aired July 6, 2015.

Fixing the troubled educational system is one of the critical issues facing our country, but where do you start and what direction do you go? International education leader and author Sir Ken Robinson delved into the topic in a 2006 TED talk, How Schools Kill Creativity, which has had more than 31 million views and generated thousands of queries on how to solve this problem.

Dr. Kathleen Smythe joins us this afternoon - she teaches African history, global economic development, and sustainability at Xavier University. Her latest book, Africa's Past, Our Future, engages the history of the African continent through the perspective of global issues such as political instability, economic development, and climate change.

Hard to believe it’s been 50 years since Bob Dylan shocked the music world at the Newport Folk Festival by playing electric guitar.

If you are a tennis fan, how would you like to pick the brains of the world's greatest players and coaches? Want to improve your serve? Get advice from Pete Sampras. Want to know how to hit the perfect ground stroke? Ask Tracy Austin.