The late Stephen Hawking, the brilliant and respected theoretical physicist, cosmologist, teacher and author, helped us better understand the origins and workings our universe. Host Rick Pantaleo talks about the life and legacy of the legendary professor with a former colleague and friend. We'll also learn about ALS; the crippling disease he was diagnosed with back in 1963.

Fine chocolate is often associated with Switzerland, Belgium or France, even though some of the best cocoa is grown in West Africa. On this edition of Press Conference USA, host Carol Castiel and VOA TV producer Phillip Alexiou, talk with Steven Wallace, founder and CEO of the Omanhene Cocoa Bean Company -- the first company to sustain exports of premium chocolate manufactured entirely in Ghana. Steven recounts the origins and challenges of this daunting endeavor in his new book Obroni and the Chocolate Factory: An Unlikely Story of Globalization and Ghana’s First Gourmet Chocolate Bar.